Dateline

The disappearance of a mother of five sends shockwaves through the picturesque town of Bardstown, Kentucky, which witnesses five murders in four years; frustrated with stalled progress, her family takes the investigation into their own hands.

When the wife of a Florida kidney doctor reports a burglary from their waterfront mansion, authorities arrive to find the doctor dead at the bottom of the stairs; investigators discover a connection to the murder of another doctor decades earlier.

The latest chapter in the 2014 murder of Florida State law professor Dan Markel takes viewers inside the case of a wealthy Florida family tied to an elaborate murder-for-hire plot;

The quiet community of Chevy Chase, Maryland is shaken when wife and mother Leslie Preer is found murdered in her shower. Detectives find plausible suspects quickly, but without evidence the case goes cold until a surprising lead unmasks the killer two decades later.INTERVIEWS WITH: Leslie's siblings and daughter Lauren Preer, Montgomery County Police Officer Jim Barnett, Detectives Ed Golian, Tara Augustin and Alyson Dupouy, Leslie's boss Brett Reedy and others

A group of conspirators, including a self-proclaimed Nepalese prince, defraud and kill a retired art collector and legendary Palm Springs socialite in one of the longest and most expensive missing-persons investigations in California history.

When acupuncturist Jon Tokuhara is shot dead in his clinic, investigators uncover a tangled love life and several persons of interest -- until security video reveals an unexpected suspect.

During the two-hour broadcast, correspondent Josh Mankiewicz reports on the murder of Colorado mother Kristil Krug. As investigators initially think the case is pointing to an obvious suspect, they uncover an elaborate plot that turns everything upside down.

A teacher's aide fails to return to work following a nor'easter; days later, she is found dead.

Days after landing the biggest audition of her acting career, newlywed Shannon Madill Burgess fails to show up for a family gathering, leaving her loved ones in a panic. As investigators dig deeper, unsettling details emerge that change the direction of the investigation.

When Angela Craig, a healthy mother of six, dies suddenly after an apparent medical illness, her community is stunned. As investigators dig deeper, suspicion shifts to her husband James – a respected local dentist and member of the LDS church.

Ahead of the Sean Combs trial, Josh Mankiewicz reports on Combs's life and the events that triggered a five-count federal indictment that includes racketeering and sex trafficking.

Exclusive new details about the investigation into the murders of four University of Idaho students are revealed; featuring never-before-reported evidence that investigators say track the accused killer's movements.

A beloved Staten Island teacher is found dead in the home she shared with her husband; an unknown number in her cell phone leads investigators to reveal troubles in her seemingly idylliclife - and to ultimately unearth her killer.

Beloved 18-year-old college student Anita Knutson is found stabbed to death in her apartment. The case takes nearly eighteen years and the undying commitment of friends, family, and investigators to reach resolution.

West Virginia pharmacist Natalie Cochran is left widowed after her 38-year-old husband Michael suddenly dies. Their closeknit neighborhood rallies around Natalie and her two young children until troubling details emerge regarding the couple's new business venture.

Jasmine "Jazzy" Pace mysteriously vanishes, missing her family's Thanksgiving dinner. Determined to track her down, her family takes matters into their own hands, pursuing every digital clue she left behind. 

A girl returns home from school to find her father, celebrity hairdresser Fabio Sementilli, brutally murdered in their backyard. A neighbor's security camera helps investigators identify unlikely suspects as the murder captivates not just Hollywood, but the country. 

A college student home for the summer goes missing while jogging; her closeknit Iowa town comes together to search for her until investigators discover security camera video that reveals a critical clue. 

Kansas couple Mike Sisco and Karen Harkness are found dead by their parents before a family fish fry in 2002. A years-long search for evidence and three criminal trials over two decades reveal strained dynamics within one victim's family.INTERVIEWS WITH: Mike Sisco's mother Carol Sisco, daughter Hailey Seel, sister Cathy Boots and brother-in-law Mark Boots; Karen Harkness' daughter Erin Harkness Sutton and son Chad Harkness; Fmr. Topeka police Sgt. Richard Volle; Shawnee County District Attorney Mike Kagay; and others.

The unexplained death of a beloved chiropractor becomes a criminal investigation when authorities discover she'd been poisoned; nearly a decade after the murder, a court makes a dramatic decision about the young woman at the heart of the case.

A middle school art teacher is shot to death in the home she shared with her husband; new evidence and testimonies poke holes in the story of a harmonious three-way affair between the couple and a mutual friend. 

In her first TV interview, convicted murderer Lori Vallow Daybell speaks to Dateline correspondent Keith Morrison. In the exclusive sit down, Lori maintains her innocence after she and her husband Chad Daybell were found guilty of murdering her children, JJ and Tylee. Chad was also found guilty of murder and conspiracy in the death of his previous wife Tammy and Lori was found guilty of conspiring to kill Tammy.

After 25-year-old Chantay Blankinship's remains are found at an abandoned building that locals call the Haunted House, investigators sort through dead-end leads until a stunning confession during a church service changes everything.

The murders of teenagers Abby and Libby in their close-knit hometown of Delphi, Indiana spark worldwide headlines. The high-profile case takes a stunning twist after detectives reveal Libby captured a video of the killer shortly before her death - a crucial piece of evidence that helps police track down the murderer. During the two-hour Dateline, correspondent Andrea Canning speaks with insiders in the case, including the defense attorneys for the killer.

Return to the Lake, provides an exclusive inside look at the case that riveted the country, through in-depth interviews with Susan Smith's defense attorney, David's current wife, and the Chief of SLED, as well as rarely heard interrogation audio of Susan from the initial investigation. Friday's broadcast is a continuation of Dateline's decades-long reporting on Smith, who recently was denied parole in November. 

During "Under the Bay Bridge," San Francisco Police Sergeant Brent Dittmer reveals that his team chose not to publicly dispute any theories that Lee was a victim of a robbery,  even though he believed early on that the person responsible for Lee's murder wasn't after his money. He tells Mankiewicz, "If that's the story people are gonna run with, that is an advantage for us because the people who are responsible, we don't want to know what we know." He continued, "Let everybody think that this is whatever's on Twitter at that time. We'll work on what actually happened." Lee's former wife also had a hard time believing he was robbed, explaining, "Had Bob been approached by someone that was trying to mug him, he would've given him, them, the shirt off his back, his wallet, his keys, his clothes. He would've said, ‘Hey, man, let me buy you a meal. Please don't hurt me.'"

An elderly socialite is reported missing from her stately New York City brownstone. When Sante Kimes and her son Kenny are arrested, an investigation reveals decades of crime, deception and murder that captivated the nation.   INTERVIEWS WITH: Kenny Kimes, Kenny's half-brother Kent Walker, Kent's high school girlfriend Rhonda Martin, Detectives Thomas Hovagim, Bill Cox, and Ed Murray, Private Investigator John Doty, TV Producer Maria Zone, Ken Holmgren, son of Sante Kimes' suspected murder victims

When young father Rob Limon is murdered at work, the investigation uncovers deep secrets about sex, friendship, religion and family. Sunday's broadcast explores the twisted case featured in Dateline's #1 podcast, Deadly Mirage.

After Gary "Big Daddy" Farris mysteriously disappears, his family discovers his remains on their sprawling 10-acre estate. An investigation reveals a family deeply divided by jealousy and greed, but did one of them kill Big Daddy?

The broadcast features a new interview with Los Angeles District Attorney George Gascón, who recently filed a motion for a resentencing hearing for the brothers. As a scripted tv show reignites public interest in the Menendez case, Dateline will report on the latest, including a letter seemingly written by Erik to his cousin before the murders.During The Menendez Brothers: Chance at Freedom, the prosecutor from the brothers' 1993 trial, Pamela Bozanich, opens up about defending herself against a wave of recent online criticism. She tells Morrison in a new interview that she bought a Mossberg shotgun to arm herself, which is the same type of gun used in the killings of the brothers' parents.The episode also features interviews with additional key players in the case, including never-before-aired excerpts from Morrison's 2017 interview with Lyle.

After a Halloween party at a country club, a wife and mother of four vanishes. Nearly a decade later, a private investigator claims to uncover chilling new clues that turn the town upside down.INTERVIEWS WITH: Jason Creasy, Ashley Swift, Terry McCreight, Heather Cohen.

A murder unearths an unsolved mystery from years earlier; as the connection between the two cases becomes clear, a long -hidden truth surfaces.

The high profile murder trial of Karen Read, who was accused of killing her Boston police officer boyfriend.

A 16-year-old calls 911 to report a break-in at her family's home. When police arrive, they discover her mother has been murdered, launching a years-long investigation that featured a false confession and revealed a dangerous romance.

A new father is found dead on the side of a road.  Then the shocking stabbing of a young woman in broad daylight leads police on a high-speed chase.  Investigators wonder: are these two chilling murders connected?INTERVIEWS WITH: Tonya Hilbert, Cathy Hudson, Mallory Goins, Sam Marquez, Jeff and Ericka Sharp. 

The season 33 premiere of Dateline investigates the case of a young Ohio woman who vanishes one summer night prompting her community to conduct a massive search. When she's found dead, investigators question her friends and family to uncover her killer.INTERVIEWS WITH: Ally & Dave Markham, Investigator Paul Newton, Reporter Karin Johnson.

A teenager's life is turned upside down by a shocking discovery as what seems like a fatal accident reveals itself to be something much more disturbing.

When a woman who is eight months pregnant vanishes before her own baby shower, her family begins a desperate search. As detectives struggle to unravel the chilling mystery, they wonder: is it a missing persons case, or something far more sinister? Derrica and Natalie Wilson of the Black and Missing Foundation step in to advocate for answers.INTERVIEWS WITH: Derrica & Natalie Wilson (Co-founders, Black and Missing Foundation), Detectives Jill Beauregard and Terry McLarney, FBI Agents Summer Baugh and Patrick Dugan.

When a nurse is gunned down in her home, detectives initially believe they have a clear suspect. As they delve deeper into the investigation, new information leads them down a completely different path.INTERVIEWS WITH: Det. Bobby Kenny, Det. Joe Espino, and Marcel Fomotar. 

When two women are murdered in the same Arlington, Texas apartment complex within the same year, police are stumped, and panic spreads across the city. Three years later, forensic evidence from two subsequent rapes provides a breakthrough, bringing the murderer and serial rapist to justice.INTERVIEWS WITH: Chima Benson, Adriane Fields, Det. Tommy LeNoir, Investigator Joel Stephenson, Hiep Vu.

A group of women help bring down a smooth talking serial predator turned killer who lured young women with promises of fame and fortune.

When the wife of a popular Atlanta DJ is found murdered with her two young children at home, investigators try to unravel what happened. The chilling echo of another DJ's murder just months prior raises suspicions of a targeted attack on the city's music community.INTERVIEWS WITH: Jeezy, Nick Love, Tommy Jackson, Christina Lee, Sabrena Swinger

A Southern California woman's fall down the stairs initially appears to be a fatal accident, but when deputies arrest her husband, his story unravels. For the first time, the victim's family speaks out to Dateline correspondent Keith Morrison.INTERVIEWS WITH: Theresa Neubauer, Frank and Samantha Gaulden, Peter Arsuaga, Kim Gadberry, Kristi Christensen, Jon and Rochelle Brannon. 

When a New Jersey woman goes missing, investigators uncover her husband's chilling history, including dark secrets about another missing wife. Would he be caught before he put another woman in danger?   INTERVIEWS WITH: Det. Dave Mansue, Former Supervisory Special Agent Bob Hilland, Dedy Childers, Sherrie Davis.

The separate murders of two women in Toronto ignite an investigation that spans four decades, taking detectives from the big city to a remote, northern town. The case is finally cracked when diligent old-fashioned detective work is combined with modern breakthroughs in genetic genealogy.NEW INTERVIEWS WITH: Det. Stephen Smith, Det. Andrew Doyle, Det. James Atkinson, Sean McCowan, Ben Tice, Vanessa Vansittart and Kristin Basso.

When Joy Hibbs is found dead in a house fire, an autopsy shows she was murdered beforehand. Even with multiple suspects, the investigation stalls, leaving the case cold for years. Decades later, a shocking secret is revealed.NEW INTERVIEWS WITH: Det. Michael Slaughter, Charlie and David Hibbs, D.A. Jen Schorn, April Atkins.

Keith Morrison reports new revelations in the murder case of professional cyclist Moriah Wilson that made world-wide headlines. The two-hour broadcast will include fresh courtroom evidence, a police interview with a key witness and an exclusive interview with the killer's plastic surgeon, who was unaware of the murderer's intentions to elude authorities.NEW INTERVIEWS WITH: Dr. Jorge Badilla, Det. Richard Spitler, Det. Jonathan Riley, Deputy U.S. Marshals Damien Fernandez and Emir Perez, and Christopher Stricklen

Twenty-seven-year-old Egypt Covington is found murdered in her home; investigators in Michigan quickly identify a person of interest but years pass without an arrest.

After a 25-year-old mother is gunned down in broad daylight by a murderer wearing a disguise, detectives confront a most unlikely suspect. NEW INTERVIEWS WITH: Det. Trey Downs, Det. Dean Boone, Chief Roy Whitehead, Buddy Allen, Michael Vickers, Jennifer Bagby.

When a firefighter is killed, the murder investigation unravels a web of secrets, a love triangle and stunning surveillance footage.

New interviews and never-before-seen evidence about the murder of Jennifer Dulos, including video and photos from residential security systems and urban police cameras that detail the timeline of the crime.

Idaho resident Christopher Tapp is sentenced to life after falsely confessing to the murder of his friend Angie Dodge. When the real killer is caught over 20 years later, the case appears to finally be closed until a chilling twist begins a new chapter in the decades-long saga. Friday's two-hour episode features the latest developments, including correspondent Keith Morrison's sit-down with Tapp. NEW INTERVIEWS WITH: Chris Tapp, Bill Squires, Jeremy Sargis, Steven Drizin, CeCe Moore.

A series of mysterious events turn deadly for a housesitter; police retrace her last day for clues.

A mystery looms over a small New York town when a woman is murdered and a stunning secret is exposed; more than a decade later, new developments lead to an unexpected conclusion.

When a package bomb explodes at a day spa in Southern California, killing beloved esthetician Ildiko Krajnyak and injuring two clients, law enforcement discovers that the bomb was intended specifically for her. Who would want Ildiko dead? An investigation into her love life reveals several possibilities.INTERVIEWS WITH: Valerie Stone, FBI agents Nick Vicencia and Ashley Mericle, Orange County Sheriff's Department investigator Jack Ackerman, prosecutors Annamartine Salick and Mark Takla, and others. 

Navy petty officer and devoted mother Sherri Malarik is found shot to death in her minivan after she disappeared. The case remains cold until new revelations and old memories resurface, dividing the Florida family. In Friday's two-hour Dateline, her grown-up children speak out about the two-decade search for answers.INTERVIEWS WITH: Tera and Jacob Malarik, Tina and Jeff Leake, Jennifer Spohn, Detective Buddy Nesmith, State Attorney's Office investigator Wayne Wright, Assistant State Attorney Amy Shea, Defense Attorney Chris Crawford, and others.

New details on the latest twist in the murder-for-hire plot involving a prominent Florida family that left law professor Dan Markel dead and a grandmother arrested.

When Corey Shaughnessy wakes up to gunfire in the middle of the night, she shoots at the intruder and miraculously survives, only to discover that her husband Ted has been killed. Detectives wonder if the couple's job as local jewelry shop owners could be a possible motive until the investigation takes a turn that no one saw coming. INTERVIEWS WITH: Corey Shaughnessy, Nicolas Shaughnessy, Travis County Sheriff's investigators James Moore and Paul Salo, Defense Attorney Rick Flores, family friends Tad Cole and Vicki Frenk, and others.

A mother searches for answers in the unsolved murder of her 14-year-old daughter until new DNA technology changes everything.

Andrea Canning reports on the latest twists and turns in the case in which firefighters discovered a New Jersey man dead in a house fire, but an autopsy revealed he had been shot to death.

After Tahereh Ghassemi disappears from the Louisiana home she shares with her adult son, detectives discover that she'd recently come into a great deal of money. The investigation reveals an astonishing plot with international implications.INTERVIEWS WITH: Hamed Ghassemi, lead investigator Todd Morris, East Baton Rouge Assistant District Attorney Dana Cummings, and others.

In a Dateline NBC exclusive, lead detectives speak out about the investigation into once-prominent South Carolina attorney Alex Murdaugh, convicted last March of murdering his wife Maggie and son Paul.For the first time, South Carolina Law Enforcement Division investigators Britt Dove and David Owen speak out about the moment they discovered video evidence proving Alex was at the scene of the murders when they occurred. Dove explained to NBC News' Craig Melvin that after listening to the video "three to four times," he was in "disbelief." Owen added he knew at that moment the case had been blown wide open, saying: "I can prove that Alex was lying to me."The Murdaugh Murders: Inside the Investigation also features an interview with the former Murdaugh family housekeeper Blanca Turrubiate Simpson, who opens up about her unique history with the Murdaughs, as well as Judge Clifton Newman, who presided over the murder trial. 

When United States Air Force Airman Nathan Paet is shot multiple times inside his garage, a trail of clues leads Las Vegas detectives to a secret love affair and a murderous plan.  INTERVIEWS WITH: Las Vegas Homicide Detectives Tod Williams and Laura Andersen, Nathan's family members, and others.

Dateline investigates the murders of several women found dead along Gilgo Beach in Long Island, New York.During The Hunt for the Gilgo Beach Killer, Heuermann's former neighbor Jimmy Mack speaks out in his first TV interview, telling Dateline that he "immediately" had a bad feeling about Heuermann. Additionally, Mack revealed that they had a "confrontation" after Heuermann allegedly threatened to cut the tires of a car in Mack's driveway that partially blocked the sidewalk.The special also examines the death of Shannan Gilbert, whose remains were found on Gilgo Beach in December 2011. Speaking out for the first time since Heuermann's arrest, Shannan's sister calls for Suffolk County Police Department to reopen her sister's case.

After police discover the burned body of missing Miami man Camilo Salazar at the edge of the Florida Everglades, the wife of a local supermarket mogul comes forward to reveal a shocking secret and possible lead.INTERVIEWS WITH: Family members, Detectives Chris Villano and Doug McCoy, Miami-Dade State Attorney Katherine Fernandez Rundle, prosecutors Gail Levine and Justin Funck, former Miami Herald reporter David Ovalle, reporter Christian Colon, and others.

The investigation into the mysterious disappearance of Canadian limo driver Dwayne Demkiw sparks an international manhunt for an elusive killer with multiple false identities.INTERVIEWS WITH: Edmonton Homicide Detectives Brian Robertson and Rob Bilawey, Dwayne Demkiw's friends Kayla Polihronopoulus and Darren Boisvert, and others.

After nurse and mother-of-three Becky Bliefnick is found fatally shot inside her Illinois home, investigators uncover security camera footage that could be key to solving the case. INTERVIEWS WITH: Quincy Police Chief Adam Yates, Assistant States Attorneys Josh Jones and Laura Keck, Becky's sister Sarah Reilly, and others.

The murders of two young women near a Phoenix canal in the early 1990s remain unsolved for over 20 years until a team of cold case detectives take on the case. Friday's all-new Dateline examines how investigators used inventive techniques and groundbreaking advancements in forensic genealogy to unmask the killer.INTERVIEWS WITH: Former Phoenix Police Department Sergeant Troy Hillman, Defense attorney RJ Parker, forensic genealogist Dr. Colleen Fitzpatrick, co-workers of the victims, and others.

A small town in the Ohio River Valley is left in shock after beloved local coal miner Brad McGarry is found fatally shot in the basement of his home. As investigators dig into his personal life, a secret affair reveals a surprising suspect.INTERVIEWS WITH: Belmont County Chief Detective Ryan Allar, Bellaire Police Officer Hank Martin, former mine foreman Franco Pinacchio, Brad's friends, and others.

After an apparent home invasion in Minnesota leaves 25-year-old Heidi Firkus dead and her husband Nick hospitalized, detectives learn the young couple was facing financial troubles. In Friday's all-new Dateline, insiders connected to the case speak out about the decade-long search for justice. INTERVIEWS WITH: Heidi's brother Pete Erickson and sister-in-law Jolene Erickson, Nick's second wife Rachel, Nick's close friends, and others.

When young pregnant mother Bethany Decker goes missing in Virginia, her family embarks on a frantic search, but the case eventually goes cold. Years later, investigators speak with a woman who tells a harrowing story and may hold the key to solving the case.INTERVIEWS WITH: Investigator Mark Bush and Steve Schochet, Bethany's family members, and others. 

A small Texas town is shattered when beloved teacher Manuela Allen vanishes from her home in the middle of the night. When a gruesome discovery is made a short time later at a local lake, investigators are left with more questions than.INTERVIEWS WITH: Julius Mullins, Texas Ranger Michael Schraub, family members, and others.

The investigation into the poisoning death of Wisconsin mother-of-two Julie Jensen takes a surprising turn when detectives learn that Julie wrote a letter just days before her death pointing to a possible suspect. INTERVIEWS WITH: Pleasant Prairie Police Department Captain Barry Ollila, former Kenosha County District Attorney Bob Jambois, Private Investigator Dave Ellis, coworkers of Julie's husband Mark Jensen, and others.

When three women discover the body of Emily Noble in a wooded area near her home nearly four months after she went missing, investigators must determine if her death was a suicide or homicide. In Friday's new Dateline, Emily's husband, Matt Moore, speaks out in an exclusive interview about the case that rocked a small Ohio town.

When high school student Megan Nichols vanishes from her Illinois home, her mother finds a note saying that she ran away; a grisly discovery made three years later changes the course of the investigation.

In the exclusive interview, Darrin speaks out about his relationship with Jamie's wife, Jennifer Faith, which began when they dated in high school. When the pair reconnected decades later, Darrin says he was manipulated by her false allegations of Jamie's abuse. Darrin tells Dateline that when he committed the fatal shooting, it felt like he was on a "mission in the military," adding, "I was doing what I had to do to protect Jennifer."Losing Faith also features interviews with homicide detective Chris Walton, detective Eric Barnes, federal prosecutor Rick Calvert, reporter Cyrus Cezar AKA ‘Smash Da Topic,' Darrin's attorney Juan Sanchez, friends and family members, and others.

Following her husband's sudden death, a Utah mother-of-three writes a book to help her children through their grief; But when investigators learn the cause of death and dig deeper into their lives, she is charged with murder.

Law enforcement officers investigate a string of deadly shootings targeting women in the border city of Laredo, Texas.

After a mother is found murdered in her Virginia home, her son embarks on a 20-year quest for justice that leads him down a dark and twisted path.

After a district attorney and his wife are murdered in the same Texas town where a prosecutor was gunned down two months earlier, local law enforcement fears they may be in the sights of a serial killer.

The murder of a local 22-year-old sends shockwaves through the Arkansas Ozarks.

Exclusive new details on the investigation into the murders of four University of Idaho students.

New details come to light on the investigation into a notorious Idaho case.

A man convicted of the 1997 murder of Ricky Cowles Jr. in Lancaster, California, reveals new details on the case in an exclusive interview.

When a woman's fifth husband dies in a hospital under suspicious circumstances, an investigation reveals her to be a charismatic charmer with a mysterious past.  

The man at the center of the international manhunt for an American fugitive accused of faking his own death to evade law enforcement agencies speaks out for the first time on network television.

The discovery of a young woman's body in an abandoned building in rural Texas sparks a multi-state investigation lasting nearly two decades.

The latest in the murder of Laci Peterson, including new details on the appeals of convicted killer Scott Peterson. Keith Morrison reports.

After 27-year-old Jonathan Crews dies mysteriously in his Texas apartment, his family takes matters into their own hands in an effort to find answers.  

The parents of Kristin Smart speak out in their first network exclusive interview since the recent sentencing of their daughter's killer.

The lead investigator speaks out about the murder of world-renowned snake breeder Ben Renick, found shot to death in a facility crawling with thousands of snakes.

The murder of former NBA star and hometown hero Lorenzen Wright sends shockwaves through the city of Memphis; insiders speak out about new developments in the lengthy search for justice.

When a Colorado mother vanishes without a trace, the detective investigating her disappearance discovers a connection to a previous assault; for the first time on television, the survivor of that attack recounts her terrifying ordeal.

The latest in the trial of once prominent South Carolina lawyer Alex Murdaugh, including exclusive interviews with insiders close to the family.

A Florida father is determined to find out what happened to his daughter after her fatal fall from a penthouse apartment in Belgium. Dennis Murphy reports

The missing-persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than three decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister.

A quiet North Dakota college town is left in fear after 22-year-old student Mindy Morgenstern is found murdered in her off-campus apartment. Detectives investigate neighbors, friends and boyfriends before they discover the killer hiding in plain sight.INTERVIEWS WITH: Larry and Eunice Morgenstern, Jason and Rebecca Young, former North Dakota Bureau of Criminal Investigation Agent Mark Sayler, Prosecutor Jonathan Byers, and more.

A deadly high-speed chase in Montana leads "Dateline" on a search through 50 years of history to unravel the mystery of how one man turned into a monster and committed one of the state's most notorious crimes.

Nearly 40 years after young wife and mother Cathy Krauseneck is found murdered with an axe in her upstate New York home, a new team of investigators joins the cold case to uncover the killer.  

Latest in the investigation into the murder of four University of Idaho students.

After an apparent brazen home invasion during the holiday season in a quiet Connecticut community leaves Connie Dabate dead, investigators discover a silent witness that cracks the case wide open.  

Insiders reveal new details about the deaths and legal cases surrounding Alex Murdaugh.

Firefighters make a grisly discovery while responding to a house fire in a Toronto suburb.

The investigation into a deadly home invasion involving business owner Milton Sawyer takes a turn when an unlikely witness on the other side of the country comes forward. Dennis Murphy reports.

The disappearance of Sonya Ivanoff sends shockwaves through the small coastal city of Nome, Alaska.

A family begins a relentless pursuit of justice after the death of Nevada attorney Susan Winters.

After the cause of the death of Stacy Feldman in her Denver home is ruled as undetermined, friends and family join forces to piece together what happened; insiders close to the case speak out about the seven-year battle for justice.

Texas detectives uncover a trail of sexual assault crimes while investigating a murder.

Keith Morrison reports on the murder of star gravel cyclist Anna Moriah Wilson and interviews insiders in the case that sparked worldwide headlines.

Amber Heard sits down with NBC News' Savannah Guthrie in her first interview since the defamation trial brought by her ex-husband Johnny Depp.

Chef Dan Brophy arrived for work at the Oregon Culinary Institute in Portland, Oregon, early on Saturday, June 2, 2018.The Culinary Institute, also referred to as OCI, was both a school and a restaurant. That Saturday was a test day for students and as a chef and teacher there, Dan had much to prepare.But just minutes after he got to work, Dan Brophy was shot in the back in Kitchen One. About ten minutes later, a colleague found Dan lying on his back in front of a large kitchen sink. A student called 911.EMTs soon arrived and pronounced Dan Brophy dead. He was 63. Josh Mankiewicz reports.

When an 18-year-old disappears from her Virginia home, the investigation into her inner circle of trusted friends and family reveals a sinister betrayal. Andrea Canning reports.

Dateline (again) investigates the 2012 murder of Leslie Neulander, a 61-year-old woman who died in her 8,000 square-foot mansion in DeWitt, New York, a suburb of Syracuse. Neulander's death was initially reported as an accident, that she had a bout of vertigo, slipped and fell in the shower, fatally hitting her head on a marble bench in the shower.In 2015, Leslie's husband, former OB/GYN Dr. Robert Neulander, was found guilty of her murder. After Neulander spent three years in prison, a court overturned the conviction in 2018 because of one juror's misconduct. Throughout his first and second trials, Robert Neulander has received strong support from his two children, Ari and Jenna, and Leslie's sister, Joanne London. 

After a prominent plastic surgeon is murdered in his Asheville, North Carolina home, investigators uncover a trail of clues pointing to an unlikely killer. Keith Morrison reports. 

Detectives search for answers after 34-year-old mother Annastasia "Annie" Hester is stabbed to death in a Portland, Oregon suburb; investigators uncover personal details that point to multiple suspects and possible motives.

The detectives who cracked the case of Sherri Papini, a California mother who alleged she was kidnapped and held hostage for three weeks in 2016, reveal new details about the investigation that captivated the nation.

The latest in the case of Pam Hupp, charged with murdering her friend Betsy Faria. Keith Morrison interviews Leah Askey, the prosecutor behind the wrongful conviction of Betsy's husband, Russ as well as Betsy's daughter, mother, and husband Russ Faria.

When a former Arkansas State Senator is found fatally stabbed, investigators must determine if her murder is connected to her political career or her personal life. Dennis Murphy reports.

New details emerge in an alleged murder-for-hire plot targeting a former NYC cop's husband.

A family gathering ends with one man dead, leading to more than a decade of questions — was it suicide or murder? Keith Morrison reports on the latest twist in the case.

While investigating the disappearance of Pamela Butler in Washington D.C., detectives discover a puzzling connection to Virginia resident Marta Rodriguez, who vanished two decades earlier. Dennis Murphy reports.

A mystery in paradise unfolds when a British woman, Sarm Heslop, vanishes from her boyfriend's luxury yacht in the U.S. Virgin Islands. New details emerge on the case that made international headlines and left investigators with more questions than answers. Andrea Canning reports

When a world-renowned snake breeder is found dead, first responders originally think his missing anaconda could be to blame. As the frantic hunt for a missing snake begins, the investigation soon reveals a tragic family saga and a sinister betrayal. Andrea Canning reports.

When a Colorado mother Suzanne Morphew vanishes on Mother's Day in 2020, investigators are left with minimal clues until a recording device exposes a potential motive. New details emerge from exclusive interviews with insiders close to the case. Keith Morrison reports.

Investigators search for answers after a 17-year-old is murdered after a Valentine's Day dance.

A Connecticut mother speaks out about her fight to keep her assailant from walking free.

Keith Morrison reexamines the mysterious death of Las Vegas casino magnate Ted Binion.

New evidence, exclusive interviews, and an in-depth look at Lori Vallow and Chad Daybell, the Idaho couple charged in the murders of Lori's children JJ & Tylee. Keith Morrison reports.

Investigators desperately search for a killer after Florida teacher Denise Hallowell is found murdered. Dennis Murphy reports.

Josh Mankiewicz reports the latest developments following an arrest in the Kristin Smart case; Craig Melvin reports on the mysteries surrounding the powerful Murdaugh family of South Carolina.

After a 27-year-old woman (Egypt Covington) is found murdered in her Michigan home, investigators quickly identify a person of interest, but years pass without an arrest. Andrea Canning reports.

Family members and investigators speak out for the first time since the mysterious death of spiritual leader Amy Carlson, known to her followers as "Mother God." Keith Morrison reports.

A man goes overboard on a romantic sunrise cruise with his wife on Lake Coeur d'Alene in Idaho. Investigators begin to think his death may not have been an accident. Insiders close to Lori Isenberg are speaking out for the first time on television after she was convicted earlier this year of murdering her husband Larry Isenberg. The case gained national attention after Isenberg claimed Larry had died in a boat accident. Keith Morrison reports. 

Since James Chambers' disappearance in August 2014, North Carolina detectives and the Chambers family have searched for answers in the murder of the 28-year-old Fayetteville construction worker. Andrea Canning reports.

A triple murder divides a small town in Kentucky. As secrets come tumbling out, residents begin to wonder: How well do we really know our neighbors? Keith Morrison reports.

On the morning of September 11th, 2001, 40 men and women boarded a flight at Newark Airport bound for San Francisco. They were businessmen and women, retirees going on vacation, students headed home to school. Ordinary people on what seemed like an everyday flight. But the passengers and crew of United 93 would soon become part of the worst terrorist attack in American history. And their actions that day, banding together to fight the terrorists, would inspire the nation.Our first full report on this incredible story aired in early October 2001. With the country still reeling from the 9/11 attacks, family members introduced us to the heroes of Flight 93. They recounted heartbreaking final phone calls home and the discovery of goodbye messages on answering machines. And they told a story of impossible bravery: how the passengers and crew took a vote and tried to take back the cockpit from the four hijackers in the face of almost certain death.It's been 20 years since United 93 went down in a Pennsylvania field. This past summer we met up with some of those families again. They told us how they remember that awful day and how they've coped with their loss. They also brought us up to date on their lives today, 20 years later. It's a story of remarkable resilience. 

Andrea Canning reports on the epidemic of missing and murdered indigenous women; how jurisdictional rules between tribal and non-tribal law enforcement can leave families alone in their search for answers; and on the growing movement demanding change. 

Lester Holt reports on how the investigation into the murder of four-year-old Barbara Jean Horn revealed decades of misconduct across Philadelphia's criminal justice system.

After a nightclub owner is gunned down in his home, Chicago police discover the death was a targeted killing, connected to a twisted sense of loyalty and tradition. Natalie Morales reports.

After a mother and son are found dead, it takes nearly a decade to unravel the case. Andrea Canning reports the latest, including how a second investigation led to a new and unexpected arrest.

A mother's search for answers in her son's murder raises questions about whether Chicago police detectives did enough to try to solve his case. Josh Mankiewicz reports.

When Kansas prisoner John Manard escapes with the help of Toby Dorr, a 48-year-old prison volunteer and mother of two, investigators scramble to track the pair down;

A mother of two vanishes, and nearly two years later her body is found in the San Diego Bay, but medical examiners say she had only been dead for about a month or two. Keith Morrison reports.

A wealthy surgeon's whereabouts remain unknown for years after he disappears on vacation in Greece, leaving behind his wife, financial ruin and mounting malpractice suits. Rob Stafford reports.

A Michigan community is shocked when a local mother is found stabbed to death. After the case goes cold for more than a decade, a bombshell reignites the investigation. Andrea Canning reports.

Private investigator and former police officer Taylor Wright vanishes, but detectives think that there is more to the story, after her girlfriend receives strange text messages from Taylor's phone.

When Kathleen Schroll makes a phone call that names her killer right before her death, it leads to the arrest of a father for murder. But two trials and 12 years later, authorities begin to wonder if he was the victim, not the villain.

When a woman is murdered, a web of sex and lies is uncovered, revealing a prominent family's dark secrets. Detectives and an FBI informant tell Dennis Murphy about the case for the first time.

Exclusive new interviews and details on the deaths surrounding Chad and Lori Vallow Daybell, a case Keith Morrison has been on since it drew national attention after Lori's children disappeared.

Lead detectives in the murder investigation of University of Utah student MacKenzie Lueck speak exclusively to Keith Morrison about the case that made national headlines.

Amateur internet investigators, new DNA technology and a dogged investigator help police find a killer – and identify a victim for years known only as "Lavender Doe." Keith Morrison reports.

Witnesses see a woman handcuffed in a parking lot and taken into an unmarked car by a blond woman. But detectives can't find any record of an arrest. Where could she be? Josh Mankiewicz reports.

The parents of missing South Carolina woman Heather Elvis, Debbi and Terry Elvis, open up to Andrea Canning about the search for their daughter.

Former NXIVM members tell Kate Snow about life inside the controversial self-help group, and life since founder Keith Raniere's conviction on charges including sex trafficking and forced labor.

When Susan Woods doesn't show up for work, she is soon discovered dead in her bathtub; as police search for answers, they find a trail of victims.

When the owner of a school promoted as a place to help troubled girls is accused of abusing students, his daughter must decide whose side she's on. Keith Morrison reports.

Professional basketball player Lorenzen Wright goes missing in 2010 and is found dead ten days later; Lorenzen's mother insists she knows who murdered her son and is relentless in helping detectives solve his case.

A college student goes missing in broad daylight from her off-campus job at a softball field; investigators receive a mysterious phone call that changes everything.

A massive manhunt ensues after Lois Riess murders her husband in Minnesota and flees to Florida, where she kills and steals the identity of a woman she had just met.

When a University of Utah athlete is found murdered on campus, investigators learn that she had reached out to the campus police for help multiple times before her death.

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if Ron's interest in an alternative religion is connected to his murder.

Andrea Canning speaks with U.S. District Court Judge Esther Salas about the deadly shooting at her home in 2020 that killed her son Daniel and critically injured her husband Mark.

A romantic Mediterranean cruise intended to rekindle the love between a woman and her ex-husband leads to her vanishing; the investigation reveals secret recordings, a surprising star witness and an undercover hit man.aka: The Cruise 

The families of George Floyd, Jacob Blake Jr. and Eric Garner open up together in a raw and emotional conversation about their pain, anger and frustration over police violence.

After Todd Chance is murdered, police follow a trail of video evidence as they work to track down his killer. Andrea Canning reports.

When soldier Vanessa Guillen vanishes from Fort Hood, her family works to bring attention to her disappearance. Vanessa's case inspires a movement across the country. Andrea Canning reports.

When pediatric dentist Kendra Hatcher is found dead in Dallas, Texas, police uncover a complex plot that leads them on an international manhunt. Keith Morrison reports.

When Ohio resident Pat Sabo is offered $50,000 to kill someone hundreds of miles away, he calls the police to report the incident; acting quickly, investigators set up an elaborate sting

After a fight with her mother, Angela, Ellie Green stays with her boyfriend's family until things settle down at home. But when days go by with no word from her mom, Ellie begins to worry. Then she's given the awful news: her mother is dead.

When Leslie Neulander dies suddenly after what appears to be an accidental fall in the shower, two friends join forces to seek justice on her behalf. Andrea Canning reports on the latest twist in the case

When a small town Alabama resident is murdered in his home, rumours involving a local pastor begin to swirl as the truth ends up turning the community upside down.

A 21-year-old college student is found murdered; the case remains cold for nearly forty years until a new detective uses an innovative method to catch her killer.

An Arkansas realtor goes missing after showing a house. When loved ones later receive mysterious text messages from her, they know something isn't right. Andrea Canning reports.

As detectives investigate a mother of two's sudden disappearance, her friends and family reveal she feared she was being stalked.

When a doctor is found murdered, investigators are stumped as to who would want him dead. Police discover simmering jealousies and a love triangle. Andrea Canning has the latest developments.

Dennis Murphy has the latest on the case of a Florida law professor murdered in his garage, including new details, newly-released evidence and bombshell testimony from a long-awaited trial.

A young woman survives a brutal attack and detectives work tirelessly to find a suspect. But when they finally do, the victim is convinced they have the wrong man. Keith Morrison reports.

When a Colorado rancher mysteriously disappears, his friends know something isn't right and spend years fighting for answers. Josh Mankiewicz reports.

A suspicious house fire in Ohio sparks an investigation into a supposed suicide 24 years earlier. Josh Mankiewicz reports.

International celebrity Oscar Pistorius shoots and kills his girlfriend. When police arrive he says he acted in self-defense, as he believed he was firing at an intruder. Keith Morrison reports.

Police suspect natural causes as they investigate a man's death, until they they uncover a love triangle that turns the tragedy into a tangled mystery. Andrea Canning reports.

After a nursing student vanishes from the hospital parking lot in the middle of her shift, investigators track security footage and her cell phone to get to the truth. Keith Morrison reports.

A 19-year-old disappears after a night out with her friends. Months later, when another woman survives a brutal attack, it becomes clear that the two cases are connected. Keith Morrison reports.

Almost 40 years after a high school senior was stabbed to death in her car after visiting the mall just before Christmas, investigators identify the killer.

Two Tulsa brothers fight for more than 20 years to prove their innocence after they were wrongfully convicted for separate murders.

A man calls 911 after his estranged wife is found unconscious in the bathtub. Soon after the mysterious death, loved ones suspect what happened was no accident. Andrea Canning reports.

A mother of two who vanishes during a storm turns out to be a victim of something sinister. Dennis Murphy reports.

A successful businesswoman and mother of three is found shot in her office; the investigation into her death leaves a family divided. Keith Morrison reports.

When Bryan Rein, a young Montana veterinarian, is found dead at his home with a gun nearby, police quickly discover there is more to the case than meets the eye. Keith Morrison reports.

A tight-knit Long Island family goes to extraordinary lengths to find their missing sister. Andrea Canning reports.

The story of Rebecca Musser vs. FLDS leader and notorious FBI fugitive Warren Jeffs. Rebecca opens up to Keith Morrison about life in the church and why she decided to leave the denomination.

Exclusive interviews with close family members of Lori Vallow, the Idaho mother charged with deserting her children, Tylee and JJ, who have not been seen since September. Keith Morrison reports.

A college student is found murdered in a residential neighborhood; as police search for the truth, they are stunned to learn that one of their own might be involved.

A former FBI agent is murdered at his house, and as police dig into his past, they begin to think the key to solving the mystery might be quite close to home. Josh Mankiewicz reports.

A Connecticut bank executive is targeted by criminals who force him to rob his own bank. Dennis Murphy reports.

When Dr. Teresa Sievers is found murdered in her kitchen, detectives struggle to find any leads until an unexpected tip changes everything. Dennis Murphy reports.