Jacquy Haddouche (19 February 1964 – 23 October 2010) was a French serial killer. He was convicted of three murders committed between 1992 and 2002 and sentenced to life imprisonment with a minimum term of 22 years.

Stephen Peter Morin (February 19, 1951 – March 13, 1985) was an American serial killer who was suspected of being responsible for at least forty murders of young girls and women and seven men in the period from 1969 to 1981. Since Morin led a transient lifestyle and constantly moved around the country, the exact number of his victims is uncertain, but he is suspected of committing a total of 48 violent crimes across the United States.

Eduard Petrovich Berzin (Russian: Эдуа́рд Петро́вич Бе́рзин, Latvian: Eduards Bērziņš; 19 February 1894 – 1 August 1938) was a Latvian Bolshevik, Chekist and NKVD officer that set up Dalstroy, which instituted a system of slave-labor camps in Kolyma, North-Eastern Siberia, one of the most brutal Gulag regions, where hundreds of thousands of political prisoners died or were murdered in subsequent decades.

Viktor Viktorovich Fokin (Russian: Ви́ктор Ви́кторович Фо́кин; 19 February 1935 – 2003), known as The Pensioner Maniac (Russian: Маньяк-пенсионер), was a Russian serial killer who killed at least 10 people in between 1996 and 2000.

David Koresh (; born Vernon Wayne Howell; August 17, 1959 – April 19, 1993) was an American cult leader and preacher who played a central role in the Waco siege of 1993. As the head of the Branch Davidians, a religious sect, Koresh claimed to be its final prophet.