Without a Trace

While struggling to deal with the aftermath of Jack's accident, the team searches to find a teen heart transplant recipient, believing her disappearance might be connected to her donor. Samantha talks to Brian.

Jack goes missing after taking a case into his own hands which soon becomes intertwined with a human trafficking prostitution case that Vivian is working on.

The team work on a case where a veterans-hospital worker vanishes and have two leads.

Malone and his team start off the new year investigating how a private investigator might have went missing.

A child prodigy turned store Santa vanishes and the team wonders if he had criminal connections.

The team determines if an ex-con's past criminal activity caused her to disappear after visiting a prison inmate. Det. Mars and Agent Johnson also continue their investigation.

The disappearance of an ultimate fighter leads the team to investigate his background, where they learn the man had a number of enemies.

When a college student disappears after making racial remarks in a class, the team wonders if those may be directly connected to his disappearance.

Malone's team joins forces with Gil Grissom, a CSI from Las Vegas, and his team as they track a serial killer with ties to New York. The crossover starts on CSI: Crime Scene Investigation S08E06 Who and What (I).

An office shooting forces a woman to disappear, possibly to hide a deep secret.

When a woman disappears after her boyfriend is killed by the police, the team suspects gang involvement. Later, Sam learns she's pregnant.

The team searches for a missing mother who they believe may be searching for her son, who is also missing.

The team considers if a father who cleans crime scenes for a living led to his disappearance with his daughter.

The four-year-old adopted son of a celebrity couple is kidnapped, and the team must determine if the reason has to deal with the parents' status or the boy's own Sudanese origin.

When a young, interracial boy goes missing, race and money appear to play the starring roles in the investigation.

Sam's darkest secrets are revealed when her sister goes missing she decides to search for her without the team's help.

The team searches for a fifteen-year-old girl who lived with her grandfather and was last seen at an Internet café. Sam gets an unexpected visit from her estranged sister.

A newly elected senator goes missing and Jack immediately turns his attention towards her husband.

Elena is frantic when her daughter Sofie goes missing, and the team has a full schedule as they must also search for a missing female tourist named Jenny.

The team searches for missing water plant supervisor Jason Turner, and learn that he had become the target of a lot of anger after recent layoffs at the plant. Carlos comes to the office looking for Elena.

When a young artist disappears, the team is concerned that one of her subjects may have been unhappy with her work.

Barry Rosen goes missing shortly after being poisoned with bleach in a chili eating contest. While investigating Barry's disappearance, the team soon learns that he had been approached to throw the eating contest, and also that he had been spending a lot of time with a local prostitute in an effort to learn how to act around women. Danny is caught in the middle when Carlos asks him for a letter of reference in an upcoming custody review, and Elena informs him that Carlos is actually suing her for sole custody of Sofie. Danny warns Carlos that he is not going to be caught in the middle.

The team tries to determine whether or not the recent disappearance of an air traffic controller has connections to the Middle East. The team soon learns that his wife died in an automobile accident and he was having an affair with her sister.

When 17-year-old Ted Soros goes missing after a basketball game, the team begins an investigation, soon learning that Ted was an emancipated minor who was living on his own to attend a school with an exemplary basketball program. Learning he had recently contacted his mother with a request for legal advice from an uncle, the team begins to suspect that Ted may have done something that he could face criminal charges for, and realise that Ted's secret is connected to a university recruiting party. While the team works Ted's disappearance, Jack learns from Ann that she lost the baby, and waits for her at the clinic while she seeks medical attention.

Vivian thinks about her recent surgical problems while searching for a missing woman with a terminal condition.

The team investigates the disappearance of social worker Eric Hayes, who had given thirty days notice to his job not long before. When their investigation leads them to a young pregnant woman who had already lost one child to the system, the agents begin to believe the disillusioned social worker may have been having an affair but soon discover that he may have been trying to right the wrong that drove him from his job. Danny has trouble with the investigation, as it reminds him of his own experience in foster care. Jack confides in Samantha about his relationship with Ann, but it may be too late.

Jack and the team investigate the disappearance of Alex Stark after his girlfriend reports him missing, and soon learn that Alex didn't own a cleaning business like he said he did but was actually involved in an illegal gambling operation. Jack goes undercover at a club that Alex would gamble at to find out what happened to him, and ends up being taken hostage by an associate of Alex's who becomes convinced that Jack is actually there to kill her. Unfortunately for Jack, his team believes that he has changed his cover story and has no idea that he's actually been kidnapped.

Martin brings the team in on the hunt for a young woman that went missing after a priest attempted to exorcise a demon from her. He begins to feel guilty when he finds out he used to work with her, but doesn't remember her.

The team investigates when Aaron Gibbs ends up missing one night and soon learn that he had been lying to his wife about quitting his job, and had been working nights in a fight club. During the course of the investigation, Jack and the others learn that Aaron's disappearance was connected to events that took place during Hurricane Katrina, when Aaron was fighting to save his sons, and follow the trail of evidence, believing that the events of that night in New Orleans hold the key to finding the truth about the missing man.

Jack and the team investigate when Sadik Marku's son goes missing along with the boy's mother, and Samantha worries that Jack is more interested in settling an old score with Marku than with finding the missing woman and boy.

The team investigates when Malia Norton, a teenager at a detention center, disappears after being threatened by one of the other residents. Malia had been involved in a drinking and driving accident that had seriously injured her sister's boyfriend and killed another young man. The investigation at the detention center uncovers a lot of secrets that some of the residents would prefer to keep well hidden.

The team searches for Jessica, a 911 operator who disappeared after a man called and asked for her by name.

Cindy Peterson, a mother who had become a stripper to support her family, goes missing after work one night, and Jack sends Elena in undercover at the strip club to learn what she can. Danny moves in to keep an eye on her after someone catches on to her spying, while Vivian discovers that Jim Peterson hasn't been completely honest with them. Jack faces censure from Olczyk over his relationship with Ann, and is angry with Ann after she admits to him that she thinks he let their relationship cloud his judgment in the Davis investigation.

Bryan Parker is questioned by the FBI after being found alone on the road by a police officer, his hand bandaged. He tells them about a young boy his father had abducted, and soon the team is searching for Todd. The search initially goes nowhere, and Sam continues to question Bryan, but they get a lead when Bryan identifies a snapshot of the boy that reveals his identity to be that of missing boy Daniel Ellison. It isn't long before the squad realises that Daniel isn't the first boy that Parker grabbed, and follow his past to find him and the missing boy.

After Breck Mulligan goes missing from the women's shelter he had been working at, the team is called in to investigate. Breck was originally assigned to work at the shelter as part of a his probation for drug related offences, but the plight of the women and children seeking help had gotten to him and he had continued to work for the shelter, even going so far as to sleep with rich older women to get donations to help the shelter. The team is surprised to learn how little faith Breck's family and friends had in him, discovering that his friends had staged in 'intervention' the night he went missing, trying to convince him to walk away from his new life.

Megan Sullivan is H.I.V. positive, pregnant and missing. Initially the team suspects that her husband, who seemed to be less than thrilled about the baby, is involved, but soon learn that Megan had received a call from a prison, and their search tracks them to a former lover, who gave her H.I.V., her husband's former mistress, who had seen her taking part in a tense conversation not long before she vanished, and her own H.I.V. specialist, who had recently given her bad news. Martin thanks Danny for his help, and tells him that he is continuing to seek counseling for his addiction.

The team searches for 18-year-old Brandon Parker only to learn that 15-year-old Matt Jameson had stolen his former teammate's identity in order to get a job to support his three younger siblings after his mother had taken off. They manage to connect Matt to an old friend from a former foster home, Casey Miller, and soon realise that Matt has gotten in over his head while trying to keep his younger sisters and brother together. Sam starts to get suspicious of Martin's behavior and confronts him on his drug addiction. She goes to Danny looking for help, but Danny is reluctant to get involved in Martin's problems.

The team tries to track down a reclusive columnist who hadn't left her apartment in months and was communicating with numerous prisoners.

The team investigates after five-year-old Ethan Heller is carjacked from the family car, and Danny starts to figure out what's going on with Martin.

When Leah Robinson goes missing after a confrontation with a young man at an art gallery, the team mvoes in to investigate and soon become suspicious of Leah, suspecting her of murdering young women that she believed to be involved with her husband, Ken. Ann isn't quite ready to take her romance with Jack public, and their relationship gets rocky when their different methods of handling the case tip off the suspect.

After Andy Reynolds, a dishonorably discharged U.S. Marine, goes missing, Jack heads to Tokyo, where Reynolds once confessed to raping a young woman. Back in the U.S., the other agents continue to investigate Reynolds' life, and learn that he had recently gotten the victim to tape a sworn statement that he wasn't the rapist after learning that a former lover had given birth to his child.

When a school teacher goes missing, the team's investigation leads them to suspect that she may have been too closely connected to a student.

After therapist Gina Hill disappears, the team investigates and initially suspects that one of her patients may be involved. After discussions with Gina's fiancé and her own therapist, the team follows the trail of clues to a bartender named Vince with an unusual ability to get good women to do whatever he wants them to. Martin continues to struggle with his recovery.

The team investigates when a young paramedic with gang ties disappears. Jack and Ann bond over their recent losses.

Sam agrees to do a favor for a friend by looking into the identity of a young amnesiac who was found wearing expensive clothes by two police officers. The investigation leads them to a play the woman was involved in and a mugging gone wrong, then they follow the trail to the woman's past, which seems to have been the trigger for her amnesia. Jack takes some time off work to deal with his father, who is getting worse as his Alzheimers begins to take over and his kidneys fail. Jack finally convinces Frank to seek help, but it's too late, and Jack has to say goodbye to his father.

Max Cassidy vanishes after leaving a message on his wife's voicemail, with both Jack and Ann frantic to find him. While investigating, Jack realises that Max was having an affair, and that he's gotten much deeper into a case than he should have following the murder of his partner, Jimmy, a man Max had felt was too green for undercover work. Both Jack and Ann fear the worst as the team tries to hunt down Max.

After young Shawn Hopkins disappears one night after leaving the arcade, his parents soon begin to believe that the team is not doing everything to find their daughter, and are shocked to learn that their son has been gambling and has also been seen with a local drug dealer. After learning that Shawn had taken up the cause of a friend who had been raped, Larry and Susan Hopkins are relieved to learn that their son wasn't doing anything wrong, but worried that he still might not come home.

The team worries about a grieving father who couldn't accept his daughter's death, especially after child pornography is found in his home.

After James Costa is kidnapped after enjoying a night out with his wife in Mexico, Danny and Jack go in at the request of James' mother-in-law, but find that between the Mexican authorities and the grieving wife, no one is too willing to help them. While Vivian, Sam, Martin and Elena work the case back in New York, Jack encounters resistance from the locals, and it is only with Danny's help speaking Spanish that they are able to get much of the information they need. The team soon becomes suspicious of Lucy Costa, convinced she knows more about her husband's disappearance than she is saying.

Wendy Kim goes missing during her shift at the family deli, and the team gets involved to find out what happened to the young Korean woman. It isn't long before they learn that Wendy had recently broken off an engagement to a young Korean man her parents were very supportive of, and that she had recently been doing a lot of on-line dating and had gotten herself involved with the wrong kind of men, including one who wouldn't take no for an answer.

After evidence surfaces suggests that a woman believed murdered by her lover seven years earlier may be alive, Jack wonders if he went too far trying to get a confession.

The team adds a new member who already as a connection to one of the team as they search for a missing prostitute.

The team searches for a missing teenager who was paranoid about his own personal safety and left an ominous message behind.

Martin and Danny are ambushed by Emil Dornvald, who ends up killing the prisoner they are transoprting. Martin is in serious condition, and a barely wounded Danny is at the end of his rope as he tries to find the man who put Martin in the hospital in critical condition. Jack has his hands full with keeping Danny in check and hunting down Emil Dornvald, the mercenary who had previously worked for General Gamba. Things get sticky when Victor Fitzgerald and Tom Banes of Homeland Security get involved, determined to make a deal with Nuru, whom Jack believes isn't the friendly that Homeland Security believes he is.

After a young woman named Agnes Deschamps goes missing, the team takes a look into her disappearance and learns that the young woman was believed to be a psychic. Sam has trouble accepting that one of their witnesses purports to be a psychic, although she is thrown when the woman correctly points out her problems with Martin. Jack, Martin and Danny pick up the extra hours with Vivian out awaiting heart surgery and together the team manages to track the young woman down after a supermarket parking lot kidnapping yeilds an unlikely clue.

When Stephanie Healy doesn't show up for choir practice, the team heads in to investigate and soon learns Stephanie had recently had a fight with her boyfriend. While speaking with Eddie, the team is shocked to learn that Stephanie used to be Stephen Patrick Healy. Convinced that the truth to what is happening in Stephanie's present lies in her past, the team investigates who Stephen was. Vivian has trouble hiding her worsening problems from the team, and is upset that Martin has been talking to Sam about his suspicions.

Lance Hamilton is a successful real estate agent in his early thirties who disappears one day after showing a house. When the team gets involved, they soon realise that Lance had more than one dealing with a local hood, Jimmy 'The Tooth' Fusco, and begin to suspect that Lance may not have been the good guy everyone thought he was. After tracking down the woman Lance had recently been spotted kissing in his office, the team needs to revise their opinion, knowing now that Lance is one of the good guys, but wondering if he's died for his beliefs.

Martin is swamped with guilt after a young boy is kidnapped shortly after he jogs by. The team tries to reassure Martin that his presence was a help rather than a hindrance as they search for the kidnapped child, but Sam's continued reluctance to admit to their relationship partnered with Martin's jealousy of her relationship with Jack only cause more problems.

When a spoiled heiress in her early twenties is kidnapped, the team has to work against the clock to save Chelsea, who is being featured on a website giving fans the option to choose whether she lives or dies. As they continue to investigate her disappearance, the team learns that Chelsea had finally been starting to grow up, but she may not have time to enjoy her new life.

After postal worker Rosie Diaz goes missing during what seemed to be a regular workday, the team initially connects her disappearance to her cargo, which include $12,000 worth of the game Demon Storm, which all the kids were after. But when the team gets in touch with child protective services, they learn that Rosie recently had her foster children taken away after an anonymous abuse call. A search of her home uncovers a DVD containing child pornography, and the team starts to look at the case from another angle. Danny comments on Martin and Sam's obvious closeness, and wonders why they're keeping it quiet.

When Ian Norville disappears on a field trip to a museum in Manhattan, the team gets involved, but it isn't long before Jack turns his suspicion to his father, Daniel, who soon admits that he didn't take the necessary precautions with his son, who happens to be autistic.

When Mac, a prisoner only two weeks from parole, disappears during a fight in the yard along with another prisoner, his sister contacts the FBI for help. No one can figure out why a member of the Aryan gang would escape with a black prisoner. While Martin and Viv talk to the other prisoners and Jack tries to wade his way through the sister's lies and half-truths where her brother is concerned, Danny focuses on a new prisoner who Mac had been protecting.

Tara Patterson disappears from a bus stop on her way to an S.A.T. prep course, and the team is called in to investigate the disappearance of the 4.0 student. While investigating, the team soon finds out that Tara is in deeper then they think when they start learning about smart drugs and married men with secrets.

Things with Jack and Maria's divorce are getting nastier as Maria's attorney forces Jack to relive not only his childhood traumas, but also throw his affair with Sam in his face and attack his dedication to his job.

When a juror disappears, the initial belief is that his disappearance is connected to the trial that is being covered, where a young man named Terrell Brooks has accused of murdering Janelle Billingsley. When the team investigates further, they learn that not only did Ducek change his will to leave his younger lover a fortune, but he has been rather mysterious about a painting from his youth in Czechoslovakia. The team soon begins to believe that Ducek is really a former Nazi soldier named Klaus Reinhardt.

When a homeless woman disappears from a shelter, the team is forced to re-examine the case of twin brothers Greg and Rick Knowles. Five months earlier (Doppelganger), Greg Knowles had confessed to a series of brutal murders, but the team was always convinced that it was Rick who had actually performed the killings. When Greg is released from jail and exonerated of the crimes, the team has to work against the clock to prove that Rick is the guilty party and to save one twin from the other.

To find a missing young mother who was recruited as a drug mule, Samantha goes undercover to lure the drug trafficker who recruited the young woman.

A young mother disappears after leaving her three year old son with a babysitter.

The winner of a plastic surgery make-over T.V. show vanishes during a publicity event, which was all about her.

When a nanny, and the child she took care of, disappear from her employers' home after being fired by them, the team must determine if the nanny is a kidnapping victim, or a kidnapping suspect.

This time, the team searches for a delusional appearing Sci-fi fanatic who disappeared from his appartment after ranting on about those ""out to get him"" (before peeling back the tinfoil covering his windows). Jack also has to deal with the consequences of his actions in the affair and how it affected the rest of the team.

The team search for a nurses' aide who who disappeared from a rural road while changing a flat tire, only to discover that she is actually a fugitive wanted for the bombing of an abortion clinic.

The team searches for a recently blinded girl and her companion who disappeared during a camping trip. Vivian takes over as the supervisor, while Jack struggles to say goodbye to his family.

When Sam helps Martin search for his missing and terminally-ill aunt, they discover that she's been using her nursing skills to assist other dying patients in committing suicide; his father's Alzheimer's diagnosis prompts Jack to attempt a reconciliation.

The team investigates a missing woman's boyfriend, with whom she lived. However, they determine that he has a twin brother and quickly turn their attention to him.

The team searches for a man who goes missing after leaving his wife's hair salon to deposit the day's earnings following an argument with her. Meanwhile, Danny resists getting pulled back into the life of his convict brother who is up for parole, and Martin's impending firearms qualifications test dredges up unsettling memories for him.

When a young soldier recently returned from Iraq disappears, Jack and Danny look into his disappearance only to learn that the soldier may have more secrets than they want to uncover.

A new lead reveals details about a missing woman's sexual history.

A 12 year old boy (Jake Thomas) goes missing. The team discovers that the boy had a rough 24 hours leading up to his disappearance. He disappeared in the middle of the school day, the only clues a broken miror, a discarded hall pass, and blood on the wall....until a picture of him is sent around the school.

When a female ex-cop-turned-bounty-hunter is shot then goes missing the team must investigatesher were about's

The team Search for a missing motivational speaker only to find that there is an abundance of suspects,The find out that they man is no who he appears to be.

The team searches for a missing criminal defense attorney. While investigating the man's life, Jack begins to believe that his recent behavior is the result of paranoid schizophrenia.

The team has a wealth of suspects from which to choose as they search for a missing paparazzo who felt responsible when one of his pictures outing a TV star led to the actor's ruin and eventual suicide, and vowed to redeem himself and his career by helping an environmental watchdog group expose a corporation's cancer-causing pollution.

When Luke Horton disappears after a class reunion, the team initiates a search for him, and learn that Luke was living a double life and was finally ready to come clean.

The team search for a Doctor that has disappeared after a jog in the city with her ex-husband

After A fireman heroically pulled two people from a burning building he vanishes. The team begin to suspect some firemen might be guilty of arson.

The team is baffled as to why no family members come forward after a Latino boy is abducted in mildde of the day time from a street in Spanish Harlem.

When a high school sex-scandal leads to murder it is the team's job to figure out who did it and why.

Malone searches for a missing woman whose description matches those of a series of murder victims from a 12-year-old case only to learn that Graham Spaulding is pulling the strings, and drawing on incidents in Jack's past to lure him into a trap.

When a 14-year-old violinist disappears on the night of a concert, the team follows her and her valuable violin's trail and Samantha bravely tries to recover from the gunshot wound.

A missing-persons case becomes a criminal investigation when, after a recently engaged woman disappears, it turns out that she was running a confidence scheme.

When a priest disappears Jack begins to think that the man is involved in some wrongdoing rather than the possible victim of a crime.

A school bus is abducted by kidnappers who demand more and more for ransom.

They search for a young high-school teacher who disappeared after a night class in the Bronx, turning up contradictory information about the subject.

Delia , a television reporter, disappears in the middle of the investigation of a nightclub owner who is a suspected drug dealer. They also discovers that Delia was working on the case of a murderer on death row who she thought was innocent, and who might be linked to an assistant district attorney working with Jack on the case.

They search for a retired U.S. Army officer who has disappeared right after a dinner that was given in his honor by former members of his Vietnam platoon

A girl vanishes from a psychiatric hospital, and it appears she may have escaped with a staff member. Then the team learns of a troubling incident from her past that may hold the key to her disappearance.

A bride disappears at her own wedding and suspicions of kidnapping. Meanwhile, the team explores the relationship between the newlyweds, who were lived together for a little while.

The team investigate a disappearance of a flight attendant who may have been having a relationship with one of the pilot's.

Chet Collins has been searching for his son since the boy was kidnapped four years earlier on a camping trip, and is the one case that Jack has never been able to forget. When Chet disappears, leaving behind only his wedding ring and the mountains of debt he had accumulated in his search, Jack will go to any lengths to find Collins and save him from himself.

Jack and the team search for a pregnant woman, Kathy Dobson, who disappeared from a hospital before being told that she has serious complications. As the detectives race against time to find Kathy, their investigation gradually reveals that Kathy's seemingly happy life actually hasn't been going very well. She is eight-and-a-half months pregnant and, under the tight control of her husband Paul, has withdrawn from her family and friends. Paul's brother Ritchie, who has been following Kathy and providing Paul with addresses she visits, lists a woman who may be affiliated with an ""underground railroad"" that helps battered women. When the team members find the woman, they learn that she has been assaulted by Paul—but she still refuses to lead them to Kathy.

Annie Miller disappears on her way to school. The group looks into her disappearance, with their suspects ranging from the local mayor, to Annie's godfather, all the way to a young man working for the father of her best friend. Twenty-four hours after Annie's disappearance, her best friend Siobhan Arintero also vanishes, leaving only a collection of videos to help find the two girls.

When a man leaves his home in the morning with his daughter to take her to school and then to open his dry-cleaning store, but they both of they never make it there .

Third-year-resident Anwar Samir vanishes from the hospital he works in. Because of his Saudi-Arabian background, suspicions of terrorist links arise.

After a confrontation with a local bully, foster teen William Hope disappears leaving his job at a burger restaurant late at night.

Abby, the three-year-old daughter of ADA Angela Buckman and her NYU lecturer husband Matthew, vanishes while in the park with her nanny.

Patrick Kent, a Vice-President of a New York investment-banking firm, vanishes from a San Diego airport, only leaving behind two empty suitcases.

After telling his mother, he wanted to leave school for good, seventeen year old Andy Deaver vanishes from his private boarding school, last seen by it's headmaster, Graham Spaulding.

Nineteen-year-old model Eve Cleary disappears and it turns out that there are very few people who actually knew her.

Four different witnesses claim that a woman was abducted from a mall parking lot while her husband was standing just yards away with his back turned to her.

Eleven-year-old Gabe Freedman is separated from his father on the subway to Yankee Stadium.

Maggie Cartwright appears to have simply walked away from every thing in her life, having left everything of hers behind. Later a ransom note appears on her mother's email list demanding a million dollars for her safe return.