Alexander Vladimirovich Murylev (Russian: Алекса́ндр Влади́мирович Мурылёв; born 31 March 1971), known as Yeltsin's Culler (Russian: Санитар Ельцина), is a Russian serial killer and former real estate broker. Between 1993 and 1994, he killed eight people in order to seize and then sell their apartments, making him one of the first black realtors in Russia.

Jane Toppan (born Honora Kelley; March 31, 1854 – August 17, 1938), nicknamed Jolly Jane, was an American serial killer who murdered 12 people in Massachusetts between 1895 and 1901, although she confessed to killing 31 and is suspected of killing more than 100. The killings were carried out in Toppan's capacity as a nurse, targeting patients and their family members.

Louis "Little New York" Campagna (March 31, 1900 – May 31, 1955) was an American gangster and mobster and a high-ranking member of the Chicago Outfit for over three decades.

Alexander Nikolayevich Vasilyev (Russian: Александр Николаевич Васильев; (31 March 1958 – 28 January 2020), known as The Black Angel (Russian: Черный ангел), was a Russian serial killer who committed 17 murders in Krasnoyarsk from 1997 to 2001, out of an apparent homicidal mania. Despite the severity of his crimes, he was given a relatively lenient 25-year sentence, which was successfully reduced on appeal to 21 years and 10 months.

Pavel Anatolyevich Sudoplatov (Russian: Павел Анатольевич Судоплатов; Ukrainian: Павло́ Анато́лійович Судопла́тов, romanized: Pavlo Anatoliiovych Sudoplatov; July 7, 1907 – September 24, 1996) was a senior Soviet official in the intelligence services of the former Soviet Union whose career spanned over 34 years in the different intelligence branches of the Soviet Armed Forces.