Without a Trace - Season 6 (2007)

A young woman disappears after her boyfriend is killed in a police shooting. Agents believe the disappearance is connected to the girl's brother, a notorious gang leader who had a falling-out with her.

A woman disappears after an office shooting, but the case is tied to a custody battle and accusations of molestation.

When a serial killer eludes capture in Nevada and escapes with his son to New York City, the crew picks up the trail with the help of Las Vegas CSI's Gil Grissom. Part two of a crossover with "CSI: Crime Scene Investigation."

A college student disappears after his racist statements are posted on an Internet video site, but the case reveals a secret about the student's racial identity and his real father.

Detectives investigate the disappearance of an ultimate fighter, and Samantha tracks down her baby's father.

While the team investigates the disappearance of an ex-con who served time for embezzlement, Agent Johnson gets a possible break in her case involving the kidnapping of a young woman.

A missing department store Santa Claus turns out to be a brilliant mathematician who dropped out of college after having a crisis of conscience.

The disappearance of a private investigator is connected to a foster child in his building that he was trying to help.

The disappearance of a VA hospital worker takes an unexpected turn when the FBI discovers that she's part of a plot to blow up a military building on a college campus.

Jack is shot and left for dead after he goes out on his own and follows a lead in Vivian's human sex slave trafficking case.

While Jack fights for his life, the team takes on a case involving the disappearance of a teenage heart transplant recipient who was looking for information about the boy whose heart she received.

A despised businessman who wakes up from a coma after three years disappears, and Jack leaves the hospital to come to the aid of a young girl in danger.

The team discovers that a missing woman recently won $32 million in the lottery, but was it her ticket? Meanwhile, Jack begins investigating the father of Samantha's child.

The team searches for a good Samaritan tow-truck driver who is running from and seeking redemption for a horrific episode from his past, and the bureau appoints Jack a psychiatrist.

While the team searches for connections between a group of people abducted from a coffee shop, Jack is up for review and Samantha goes into labor.