Season 6

Chronicling the case of the Yorkshire Ripper, a serial killer who preyed upon young women (some of them prostitutes) in the 1970s. A manhunt led to the arrest of Peter Sutcliffe, who was convicted of 13 murders in 1981.

The DEA uses informants and undercover agents in a war against drugs.

Five cases where eyewitness identification played a vital role illustrate its fallibility.

Teenage Amy Fisher shoots the wife of her lover Joey Buttafuoco.

British manhunt results in the 1966 capture of John Duddy, John Witney and Harry Roberts.

Serial killer Richard Ramirez surprises his victims in their homes.

Profiling as a valued tool in criminal investigation.

After 10 years, the murder convictions of Rolando Cruz and Alex Hernandez are overturned.

"Dopey Benny" Fein; Abe "Kid Twist" Reles; Dutch Schultz; Meyer Lansky; Bugsy Siegel.

Immigration and organized crime; Meyer Lansky; Bugsy Siegel; Moe Dalitz; Dutch Schultz.

In 1963 a gang nets over one million pounds in a British train robbery.

Interviews help profile Vito Genovese, whose crime family became one of the most ruthless and powerful in America

The scandalous story of school headmistress Jean Harris, accused of murdering her lover, Dr. Herman Tarnower, author of "The Scarsdale Diet.".

The mysterious case of Claus von Bulow, accused and acquitted twice of the attempted murder of his

An account of how FBI agent Joseph D. Pistone, a.k.a. Donnie Brasco, infiltrated the New York mob in the late 1970s. The undercover operation became the subject of a 1997 feature film starring Johnny Depp and Al Pacino. Pistone discusses the operation, various mobsters and the strain on his family.

The story of Pamela Smart, convicted of having her teenage lover kill her husband, explores the darker side of passion.

Story of the Old West's most murderous villains, including the James Younger gang, the first real bank robbers in America; the Dalton Brothers; and, Butch Cassidy's Wild Bunch.