The bodies of several women began turning up in and around the city of Vienna, Austria. Viennese police turned to the FBI for help.

Posing as a fashion photographer, serial killer Christopher Wilder lured young women from shopping malls with promises of fame and fortune. Most ended up dead. national publicity that the FBI created led to the capture of the suspect.

Young women were being abducted from their own front yards in broad daylight. The FBI was determined to put an end to the serial killer's deadly game of cat and mouse.

The body of an unidentified young woman turned up on a highway in a small Pennsylvania town. Agents persisted to identity the body and to find the killer.

A couple engaged in a gruesome crime spree that spanned six states and left eight people dead-including children.

Two officers had been shot and one had been murdered in Washington, D.C.. Each had been sitting in their patrol cars when a man sneaked up and opened fire. The FBI was brought in to help catch the cop killer, and this led to a violent gun battle.

The bodies of several young women began turning up in shallow graves in the Alaskan wilderness. FBI profilers mapped the criminal's mind.

Lured by the easy wealth of the narcotics industry, crooked cops in the New Orleans Police Department began breaking the laws they were sworn to uphold in the early 1990s.

A series of brutal bank robberies and murders led to an exhaustive eight-month investigation by the FBI. What followed was the bloodiest firefight in FBI history.

A multiple murder-for-hire plot that was meticulously planned and executed. A mother, her 8-year-old son, and a live-in nurse were brutally murdered by an assassin. the FBI was able to zero in on Larry Horn, the father of the 8-year-old.

Two brothers gained national attention after a videotaped shoot-out with state and local officers in Wilmington, Ohio. The brothers escaped and fled the state.

Six black males had been brutally murdered--two had their hearts cut out. The only thing connecting the victims was their ethnicity and the fact that each had been shot with .22 caliber bullets.

A young boy and his mother are kidnapped and murdered by a drug cartel.

A Judge and his politician wife were brutally murdered in their home. The FBI uncovered a corrupt local government and a group of violent criminal conspirators.

Two brothers abduct a banker. FBI agents slowly pieced together tiny shreds of evidence.

A young mother and her infant son mysteriously disappeared from their home. A new DNA technique ended the mystery.

The FBI began a massive undercover operation designed to expose the Chicago Mafia's infiltration into the city's surrounding suburbs.

A sniper murdered two young black men as they jogged with two white women. The FBI placed their suspect on their Ten Most Wanted list and began an intense manhunt.