On the Case with Paula Zahn

A seventeen year-old student is missing and a charismatic young teacher may be involved. The investigation leads to a shocking discovery.

After a mother is gunned down in a church parking lot, police uncover a tangled web of adultery, deception and corruption that ultimately led to her murder.

When a beautiful young woman is murdered in her own home, police use high tech equipment and old fashioned police work to bring an unlikely killer to justice.

In 2004, a Brigham Young University student, Brooke Wilberger, mysteriously vanished from a parking lot in Corvallis, OR and the case made national headlines.

Bobie and Marilyn Blewer sold funnel cakes from their stagecoach wagon for decades at the Iowa State Fair, held in Des Moines every August. When the couple is found murdered on the fairgrounds, it becomes the first homicide ever in the 150-year history of the Iowa State Fair. Police unravel a shocking plot that leads to back to the unlikeliest killers.

When a prestigious and popular Huntsville Alabama doctor is found murdered in his own home, the investigation points to a local handyman who says the doctor's wife and her twin sister are the masterminds behind the murder.

A man is shot in his living room while his family is upstairs. Guns are scattered all over the lawn, and there's no assailant in sight, but then police get a huge break when they set up an on-camera sting that ultimately leads to a conviction.

In September 2000, Eric Plunkett - a popular student known for his smile - was mysteriously murdered in his dorm room at Gallaudet University, plunging the campus into a state of shock and terror. Could police stop his killer from striking again?

When a beautiful college freshman is viciously assaulted in her dorm room, police quickly zero in on a suspect… but when he points the finger at someone else, the search for the truth threatens to tear a small town apart.

In the summer of 1996, 22-year-old Carrie Culberson was last seen driving away from her house. The timing of her disappearance was suspicious as she was about to testify in court against her abusive boyfriend, Vincent Doan. Did she simply run away from a troubled relationship or was her disappearance something far more sinister?

After a frantic 911 call in a Tampa suburb, investigators arrive to find a shaken Timothy Permenter outside the home of his girlfriend, Karen Pannell. The former model had been stabbed multiple times and police discovered the letters "ROC" written in blood on the wall next to her body. Would the victim's dying act point them to her killer?

After a September home game in the tiny town of Tatum, TX, 18-year-old David Reid jumped into his truck and drove off into the night. Meanwhile, 4 cheerleaders heading out for a post-game party pulled onto Highway 149 and suddenly, the vehicles crashed into each other. David was the only survivor, but was he to blame?

In a small town outside Atlanta, young mother Heather Strube is gunned down in a Target parking lot in broad daylight while stunned eyewitnesses search for cover, and with her 18-month-old son just a few feet away. Police have little to go on beyond a bizarre description of the brazen killer and the surveillance video of him walking away from the crime scene. After a painstaking and difficult investigation, they come up with an incredible and surprising suspect.

Margo Prade, a prominent doctor in Akron, OH, is discovered shot and killed in her van parked outside her office. Margo was one of their own, married for 17 years to a highly respected captain in the Akron Police Department. Investigators quickly discover a videotape that documents the murder, but the most important clue is a bizarre bite mark left behind by the killer.

Cathy and Lyndel Robertson were both shot multiple times while asleep in their bedroom. Cathy died at the scene, but somehow, Lyndel survived, despite being shot in the face and chest. A mysterious fingerprint on a box of ammunition could be the key to unlocking the mystery behind the brutal crime.

When an innocent couple is murdered execution-style in the Arizona desert, it marks the beginning of a 50-year search for the truth. After decades of investigation, the controversial case remains shrouded in mystery including a claim that an innocent man was framed by his ex-wife for both murders.

Young mother Rhonda Boggs is stabbed to death in her kitchen and the only witness is her 2-year-old daughter. What the child witnessed aids the cops to catch the killer's trail.

17-year-old Joanna Rogers disappeared from her home in the middle of the night in Lubbock, TX, and her body is later found dumped in a landfill. The investigation is aided by evidence from another brutal murder case. Police painstakingly track leads, including of all things, a barcode tag on luggage found in a landfill.

When Jackie Casseteri fails to show up for work, her friends and family know something is terribly wrong. Her sister rushed to her apartment and stumbled upon Jackie's lifeless body lying on the floor in a pool of blood. Investigators were unable to determine the cause of death and believed that the key to solving the mystery were calls made to a telephone dating service, from Jackie's cell phone... after her death.

Young marine Kevin Green comes back home from a fast food run and finds his 9-month-pregnant wife savagely beaten in their bedroom. Was he an innocent victim, or could he have been responsible for the terrible crime?

When beautiful 22-year-old Karla Brown's boyfriend returned home from work, he discovered her lifeless battered body hanging out of a barrel of water in the basement of her brand-new home. After years of trying to solve the puzzling murder, investigators decide to launch a bold and risky plan to bring an unlikely killer to justice.

A wife discovers her husband's body lying in a pool of blood in front of his truck on Valentine's night. While she pointed investigators toward a prime suspect, they uncovered a love triangle that stood between them and the truth.

When a retired professor is found murdered, police must figure out whether the victim’s son and daughter in law were eyewitnesses or the killers.

A beautiful bride-to-be is murdered when a bomb explodes as she enters her home and investigators must piece together shards of glass to solve the case.

A beloved mother of four is stabbed to death in her bathroom. A mysterious V-shaped wound on her forehead finally leads police to her killer decades later.

A deadly home invasion leaves a father of three dead. Why was the victim’s wife, the only eyewitness to the crime left alive?

A sexual predator viciously murders a 16-year-old girl. Can investigators catch him before he kills again?

A cloud of smoke leads two truckers to a shocking discovery; the smoldering remains of a teenage girl.

After Peter Caltury discovers the body of his 23-year-old daughter, Janet Walsh, murdered in her bed, a dedicated investigator spends more than 30 years pursuing her killer.

When Mary Ringer returns to her family-owned wedding chapel, she finds her daughter, Deborah McCormick, lying on the floor covered in blood.

Steve Kendall arrives home to find his wife, Kimberly, sexually assaulted, strangled and stabbed to death in their bedroom. Detectives process the scene and come to the realization that it points to a killer who is hiding in plain sight.

Firefighters respond to a house fire and discover the blaze is a cover-up for 16-year-old Beth Bosworth's savage murder. Will the charred remains of the house provide clues needed to solve this mysterious homicide?

In Memphis, TN, young mother Deborah Grose tells police that she had a terrifying encounter with a stalker outside her work. Before police have a chance to investigate, her husband calls the next morning saying she never made it to work. Her mysterious disappearance launches one of the city's most notorious criminal investigations.

A trail of blood and broken cornstalks leads police to the body of a beautiful young girl.

A 19-year-old clerk is abducted from a Del Ray Beach convenience store while eyewitnesses watch in horror.

A 14-year-old girl's shortcut home from school puts her on the path of a savage killer.

After Navy electrician Michael Jacobs comes home to find his wife, Suzanne, and his 3-year-old son, Colin, murdered, San Diego police race to catch a serial killer who leaves behind an unimaginable calling card.

In Lenexa, Kansas, young women disappear from their apartments as police piece together evidence showing the terrifying crimes are connected.

A young woman is ambushed and murdered in Utah's remote Big Cottonwood Canyon. A cryptic note leaves investigators wondering if her death was just a tragic coincidence or a brutal betrayal.

A 12-year-old girl is kidnapped, following a brutal home invasion... Can police find her and her abductor before its too late?

When an 8-year-old girl vanishes on the way home from school, her family and police are sent on a tormenting search for answers. [also marked as S13:E14]

Two women are found stabbed to death three days before Christmas. A third person, a male coworker, is wounded and claims an intruder attacked them. As investigators study the evidence, it looks like the crime scene was staged.

After a father of four is gunned down, police investigate, discovering that nothing about the crime is what it appears to be.

A Las Vegas man claims his wife mysteriously vanished during a visit to a local spy store. Police question the odd story until they make a shocking discovery in a desolate and windblown stretch of the desert.

Will law enforcement ever catch a sexual sadist whose crimes have tormented the state of California for decades?

A brutal double homicide shatters two Idaho families. The murders appear to ritualistic, but remarkable police work and insight from loved ones reveals the stunning truth.

A young woman is found savagely murdered in her new home. Will the trail of clues police discovered lead them to her killer?

In Las Vegas, a few teens on their way to school come across an abandoned car with a 41-year-old mother of four handcuffed and murdered in the passenger seat. Investigators have a solid theory of the crime but no suspects until a records clerk in the insurance fraud unit blows the case wide open.

When a young girl disappears from a quiet suburban street, it marks the beginning of a terrifying game of cat and mouse between police and her abductor.

It takes decades for investigators to follow the evidence to the long-sought-after truth behind the terrifying abduction and murder of 20-year-old Leslie Long, a young mother of three.

After leaving home with a baseball mitt on a sunny afternoon, 14-year-old Barbara Rowan disappears, never to be seen alive again. A neighbor informs the police that she left to speak with her coach, even though she wasn't signed up for a team.

When a hero firefighter is found savagely murdered in his own home, the trail of evidence police find takes them on a twisting and tension filled journey to justice.

When a young girl kidnapped from her bed in the middle of the night is found dead in a nearby canal, it marks the beginning of one of Salt Lake City's most notorious child murder investigations.

After a four-year-old girl finds her mother's lifeless body, police must try to unravel a puzzling mystery. A murder investigation in which they must rule out multiple solid suspects before they arrive at the unlikely killer.

When police find a beautiful young woman run over by her own car it marks the beginning of a terrifying murder mystery.

A teenager vanishes during a bike ride through Point Defiance Park. The investigation into her disappearance leads police to fear that a serial killer is on the loose in Tacoma.

When a young woman's car is found abandoned on a bridge, police must consider three possibilities. Had she run away, committed suicide, or been the victim of foul play?

A young woman travels to California in pursuit of a Hollywood dream and winds up the victim of a savage homicide.

A young records clerk at the Seattle police department is murdered on her way to work her overnight shift. Can police find the evidence to catch the killer of one of their own?

An independent young woman starting out in life on her own, becomes the victim of a bizarre and vicious homicide in her apartment.