Robert Franklin Stroud, known as the "Birdman of Alcatraz," was a brutally violent double-murderer who became a self-taught ornithologist and author during his 54 years of near-total solitary confinement.

James "Whitey" Bulger was a ruthless Boston crime boss and long-term FBI informant who built a violent criminal empire in South Boston while systematically manipulating law enforcement to eliminate his rivals.

Butch Cassidy was a charismatic and clever American outlaw who led the "Wild Bunch" gang in a legendary series of bank and train robberies across the American West and eventually South America.

Charles Manson was a manipulative cult leader who orchestrated a series of brutal murders in 1969, forever cementing his status as one of America's most notorious criminal figures.

David Koresh was the self-proclaimed messianic leader of the Branch Davidians, a religious sect whose stockpiling of weapons and controversial practices led to a fatal 51-day siege by federal authorities near Waco, Texas, in 1993.

Adolf Hitler was the German dictator responsible for the outbreak of World War II and the Holocaust, the state-sponsored genocide that resulted in the systematic murder of six million Jews and millions of others.

Thomas "Two-Gun Tommy" DeSimone was a volatile and notoriously violent associate of the Lucchese crime family whose erratic brutality—most notably the unsanctioned murder of a Gambino "made man"—eventually led to his own disappearance and death.

Sam Bass was an American Old West outlaw and train robber who led a notorious gang before being mortally wounded in a shootout with Texas Rangers at the age of 27.

Known as the "Night Stalker," Richard Ramirez was a demonic-serial killer and rapist who terrorized the Greater Los Angeles and San Francisco Bay areas during the mid-1980s through a brutal, random spree of home-invasion murders.

A fierce and independent Irish-born pirate, Anne Bonny broke 18th-century social norms by disguising herself as a man to plunder the Caribbean alongside Calico Jack Rackham.