"The FBI Files" reveals the crime-busting techniques and forensic science used by the FBI to solve the most baffling cases. Hosted by former head of the FBI's New York Office James Kallstrom.

The FBI Files

S2, EP19 "22 Caliber Killer"

A sniper targets black men.

The FBI Files

S1, EP9 "The Unabomber"

The Unabomber eluded the FBI for 18 years until agents received a tip from Ted Kaczynski's brother, David.

The FBI Files

S3, EP1 "Driven to Kill"

When a 14-year-old runaway is found dead in an Illinois barn, agents track down a trucker who might be responsible for her death and dozens more.

The FBI Files

S3, EP16 "Hunter's Target"

A phone tip prompts agents to investigate a hunting accident, which turns out to be a case of murder-for-hire.

The FBI Files

S3, EP17 "No Remorse"

When the body of a suspected drug courier is found burning in an alley, FBI agents and local police uncover a crime ring run by a ruthless drug lord.

The FBI Files

S4, EP16 "When Seconds Count"

Police dogs, helicopters and hundreds of volunteers participate in the search for an abducted child.

The FBI Files

S3, EP15 "Manhunt"

A convicted murderer escapes from prison after vowing to kill the FBI agents who helped to prosecute him.

The FBI Files

S2, EP11 "Family Secrets"

Evidence points to an ex-girlfriend in the deaths of a man's new wife and son.

The FBI Files

S4, EP9 "Death in the Delta"

A woman was abducted after a successful night at the casino, and police discovered she had been targeted for her $5,000 winnings.

The FBI Files

S4, EP13 "The Coffee Shop Murders"

A man kills three coffee-shop employees.

The FBI Files

S4, EP18 "Betrayed"

A young boy is abducted from school.

The FBI Files

S1, EP1 "Polly Klaas: Kidnapped"

How the FBI used forensic evidence to confirm the presence of a suspect in the bedroom of 1993 kidnapping victim Polly Klaas.

The FBI Files

S2, EP9 "Blood Brothers"

Two brothers force a bank president to empty his vault before abducting him and throwing him off a bridge.

The FBI Files

S3, EP10 "Temple of Fear"

Police question a notorious cult after finding the decapitated body of a black man.

The FBI Files

S3, EP4 "Dishonored"

When a captain fails to report to work, her colleagues become worried, and FBI agents find a red stain outside her home which later disappears.

The FBI Files

S4, EP8 "Deadly Secrets"

The young wife of a prominent Atlanta attorney is gunned down in front of her children.

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