The FBI Files Season 5: Episode Guide & Ratings

The 1997 Los Angeles Dunbar Armored robbery, the largest cash heist in United States history. Six masked robbers stole $18.9 million.

Chronicling an investigation that took authorities across Alabama to Virginia in search of cousins suspected in seven deaths, robbery and possession of multiple firearms.

A Nebraska sheriff's deputy sees a man wanted for firearms violations and tries to arrest him. But the man begins shooting, leading to a high-speed pursuit and wounded cops. The FBI helps track the man across state lines

After abducting and assaulting a girl at a bus stop, Maghfoor Mansoor was on the run from police and the FBI. From Vegas to Atlantic City, Mansoor left a trail of theft and violence until he was cornered in a hotel lobby.

On June 19, 1985, convicted bank robber Terry Conner and his partner-in-crime, Joseph Dougherty, escaped on their way to Dougherty's trial. In September, the fugitives used Conner's old m.o. to make the biggest bank robbery in Wisconsin history.

The hunt for serial killer Angel Resendiz, also known as the "Railroad Killer."

The 1987 murder of Boston Police Department officer Roy Joseph Sergei and the resulting joint FBI – BPD – Mexican Federal Police search for professional bank robber Ted Otsuki.

The son of a successful real estate developer was kidnapped. After the father received a $3 million ransom demand, the FBI became involved. Criminal profiling helped track down the kidnapper.

Three Black men take Amy Shaw's family hostage at her parents SC home. Jeburk forces Amy to return to the bank were she worked in GA and break into the vault.

Three men murder an innocent man as part of an initiation into a Cleveland Ohio biker gang.

Agents search for a young girl who was kidnapped while on a family camping trip, and hope the culprit's repeated calls to the child's mother can lead them to an arrest.

Domestic terrorism is an especially vivid threat to Americans; the FBI has created specialized teams to root out and dismantle terrorist operations, and put away those criminals whose secretive, leaderless cells are well armed and very dangerous.

The 1992 kidnapping and murder of Martha Doe Roberts.

After a string of bank robberies in Illinois, Chicago, the FBI began to suspect that a police officer was responsible for the crimes. With the holdups becoming increasingly violent, authorities set out to capture the dangerous killer.

In 1988, a criminal confessed that two prominent community members hired him to murder a South Carolina farmer. Police and FBI agents arrested a wealthy businessman and later learned that, even behind bars, he had the power to corrupt and kill.

In 1993, a robber surprised unsuspecting customers by dropping through the roof of a California bank. A local resident led police and FBI agents to the perpetrator. However, they learned that he had also masterminded a kidnapping – and had a hostage.

A U.S. Customs official disappears from his post near a Texas border crossing. The following day, the Customs official was found dead. Local police and the FBI continued searching for the suspects.

A marine salvager found the bodies of three drug dealers floating in a river. FBI agents suspected that a group of cops might be involved in illegal drug busts.