Harold Shipman was a British general practitioner who became one of the most prolific serial killers in modern history, murdering an estimated 250 of his patients over the course of his medical career.

Robert Hanssen

Robert Hanssen was a veteran FBI counterintelligence agent who systematically betrayed his country by selling highly classified American secrets to Soviet and Russian intelligence over a span of two decades, committing what has been described as arguably the worst intelligence disaster in U.S. history.

Alvin "Creepy" Karpis was a ruthless Depression-era gangster who, as the mastermind of the Barker–Karpis gang, became the last person to hold the FBI's title of "Public Enemy #1" before his capture in 1936.

An elusive figure of the Wild West, Etta Place was the mysterious companion to outlaws Butch Cassidy and the Sundance Kid, charting a brief, infamous path through history before vanishing without a trace.

Saddam Hussein was a ruthless dictator who ruled Iraq with an iron fist for over two decades, brutalizing his own people and triggering devastating regional wars before being overthrown by a US-led coalition and executed.

Jack Ruby was an American nightclub owner who achieved notoriety by fatally shooting Lee Harvey Oswald, the assassinated President John F. Kennedy's accused assassin, on live television on November 24, 1963.

Samuel Mason was an American Revolutionary War captain who later transformed into a ruthless river pirate and highwayman, terrorizing travelers along the Ohio River and the Natchez Trace during the late 18th and early 19th centuries.

Alfredo Ballí Treviño was a Mexican surgeon and convicted murderer whose chilling intelligence and demeanor served as the real-life inspiration for the literary and cinematic villain Hannibal Lecter.

The Sundance Kid was a notorious American outlaw and expert gunman who achieved legendary status as a key member of Butch Cassidy’s "Wild Bunch" gang, ultimately dying in a shootout in Bolivia after a long pursuit by law enforcement.

Vidkun Quisling was a Norwegian politician who infamously collaborated with Nazi Germany during World War II, serving as the puppet leader of Norway and becoming the namesake for the term "quisling," a synonym for a traitor or collaborator.