Charles "Lucky" Luciano ( LOO-chee-AH-noh; Italian: [luˈtʃaːno]; born Salvatore Lucania [salvaˈtoːre lukaˈniːa]; November 24, 1897 – January 26, 1962) was an Italian gangster who operated mainly in the United States. He started his criminal career in the Five Points Gang and was instrumental in the development of the National Crime Syndicate.

Christian Wirth (German: [vɪʁt] ; 24 November 1885 – 26 May 1944) was a German Schutzstaffel (SS) officer and leading Holocaust perpetrator who was one of the primary architects of the program to exterminate the Jewish people of Poland, known as Operation Reinhard. His nicknames included Christian the Cruel (German: Christian der Grausame), Stuka, and The Wild Christian due to the extremity of his behaviour among the SS and Trawniki guards and to the camp inmates and victims.

Charles Raymond Starkweather (November 24, 1938 – June 25, 1959) was an American spree killer who murdered eleven people in Nebraska and Wyoming between November 1957 and January 1958, when he was nineteen years old. He killed ten of his victims between January 21 and January 29, 1958, the date of his arrest.

Charles Thurman Sinclair, also known as the Coin Shop Killer, was an American criminal suspected of various murders of coin shop owners between the early 1980s and the 1990s. He was categorized as a nomadic killer who was linked to murders across the western United States and Canada.

Theodore Robert Bundy (né Cowell; November 24, 1946 – January 24, 1989) was an American serial killer who kidnapped, raped and murdered dozens of young women and girls between 1974 and 1978. His modus operandi typically consisted of convincing his target that he was in need of assistance or duping them into believing he was an authority figure.