Gennady Modestovich Mikhasevich (Belarusian: Генадзь Мадэставіч Міхасевіч; 7 April 1947 – 25 September 1987) was a Soviet serial killer and serial rapist known as the "Vitebsk Strangler" (Віцебскі душыцель), who murdered a minimum of 36 women in Vitebsk, Polotsk and the surrounding regions in the Byelorussian SSR between 1971 and 1985.

Cheung Tze-keung ((1955-04-07)7 April 1955 – (1998-12-05)5 December 1998) was a notorious Hong Kong gangster also known as "Big Spender" (Chinese: 大富豪; Jyutping: daai6 fu3 hou4; pinyin: dà fùháo). He was a kidnapper, robber, arms smuggler and was wanted for murder.

Abdufatto Tashpulatovich Zamanov (Russian: Абдуфатто́ Ташпула́тович Зама́нов; born 7 April 1973), known as The Krasnoyarsk Chikatilo (Russian: Красноярский Чикатило), is a Tajik-born Russian serial killer. Between June 2002 and November 2004, he killed nine men and five women in Krasnoyarsk and its suburbs on the basis of personal hostility, also raped two girls aged between 12 and 16.

Jozef Slovák (born 1951) is a Slovak serial killer who murdered at least five women in Slovakia and the Czech Republic from 1978 to 1991 between the ages of 16 and 21. He is currently serving a life sentence for four murders in Ilava Prison in Slovakia.

Herbert Richard Baumeister (April 7, 1947 – July 3, 1996) was a German-American businessman and serial killer who came under suspicion of murdering over a dozen men in the early-to-mid 1990s, most of whom were last seen at gay bars in central Indiana. Police ultimately found the remains of eleven men, eight identified, on Baumeister's property.

William Laws Calley Jr. (June 8, 1943 – April 28, 2024) was a United States Army officer and war criminal, convicted by court-martial of the murder of 22 unarmed South Vietnamese civilians in the My Lai massacre on March 16, 1968, during the Vietnam War.