Robert Christian Boes Hansen (February 15, 1939 – August 21, 2014), also known as the Butcher Baker, was an American serial killer active in Anchorage, Alaska, between 1972 and 1983, abducting, raping and murdering at least seventeen women. Many of his victims were released by Hansen into the wilderness and hunted with a Ruger Mini-14 and hunting knives.

Michael Thomas Gargiulo (born February 15, 1976) is a convicted American serial killer. He moved to Southern California in the 1990s and gained the nickname The Hollywood Ripper.

Héctor Manuel Beltrán Leyva (15 February 1962 – 18 November 2018) was a Mexican drug lord and leader of the Beltrán Leyva Cartel, a drug-trafficking organization. He was the brother of Arturo Beltrán Leyva (deceased), former leader of the cartel.

Charles-Henri Sanson, full title Chevalier Charles-Henri Sanson de Longval (French pronunciation: [ʃaʁl ɑ̃ʁi sɑ̃sɔ̃]; 15 February 1739 – 4 July 1806), was the royal executioner of France during the reign of King Louis XVI, as well as high executioner of the First French Republic. He administered capital punishment in Paris for over 40 years.

Griselda Blanco Restrepo (February 14, 1943 – September 3, 2012) was a Colombian drug lord who was prominent in the cocaine-based drug trade and underworld of Miami, during the 1970s through the early 2000s, and who has also been claimed by some to have been part of the Medellín Cartel. She was shot dead in Medellín on September 3, 2012, at the age of 69.