"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

S3, EP3 "The First and Kennedy Street Crew"

Street gang members kill two FBI agents and a detective in Washington, D.C.

The FBI Files

S1, EP3 "Above the Law"

The extreme efforts taken to convict highway patrolman George Gwaltney of rape and murder.

The FBI Files

S2, EP4 "Cracking the Cartel"

When a boy and his mother were abducted by a drug cartel, agents worked in the field to penetrate the secretive drug underworld.

The FBI Files

S4, EP10 "Lost Boys"

Two young men go on a spree of robbery, kidnapping and murder, then they disappear.

The FBI Files

S4, EP11 "Deadly Threat"

The agency aids Florida investigators in the conviction of a drug dealer.

The FBI Files

S4, EP14 "Without Remorse"

A parole officer's shooting death sends police on a manhunt full of murders, robberies and car jackings.

The FBI Files

S2, EP8 "Shattered Shield"

Lured by the easy wealth of the narcotics industry, some crooked cops in the Big Easy break the laws they were sworn to uphold.

The FBI Files

S4, EP2 "Hidden Agenda"

Experts examine a bomb left by robbers on a teller's counter.

The FBI Files

S3, EP11 "Silent Strike"

An ex-cop, a bounty hunter and a former prison guard pool their law enforcement experience to pull off a near-perfect hit on an armored van.

The FBI Files

S2, EP12 "Killer Abroad"

In Vienna, Austria, investigators search for a sadistic killer who is beating prostitutes and strangling them with their own clothing.

The FBI Files

S2, EP6 "A Hunter's Game"

A serial killer taunts and hunts his victims before shooting them down.

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, EP8 "Shattered Shield"

Lured by the easy wealth of the narcotics industry, some crooked cops in the Big Easy break the laws they were sworn to uphold.

The FBI Files

S1, EP10 "Melissa Brannen: Missing"

A man is convicted of abducting a 5-year-old from a Christmas party based on microscopic evidence found in his vehicle.

The FBI Files

S3, EP7 "Millionaire Murder"

A businessman disappears after meeting a mystery woman in West Palm Beach, Fla., to make a once-in-a-lifetime deal before his retirement.

The FBI Files

S2, EP2 "Cat and Mouse"

A serial killer calls and taunts a victim's family.

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