Juraj Lupták (2 January 1942 – 16 July 1987) was a Slovak rapist and serial killer, called The Strangler from Banská Bystrica. From May 1978 to July 1982, he raped and murdered three young women.

Jacques-Alexandre Laffon de Ladebat (2 January 1719 – 18 November 1797) was a prominent shipbuilder and merchant of the port of Bordeaux in the late 18th century. His son, André-Daniel Laffon de Ladebat (November 30, 1746 – October 14, 1829), succeeded him, and later became involved in politics.

Gen Sekine (関根元, Sekine Gen; 2 January 1942 – 27 March 2017) was a Japanese dog breeder and serial killer who, together with his common-law wife Hiroko Kazama (風間博子), murdered at least four clients in Kumagaya, Saitama Prefecture, between April and August 1993. Both were sentenced to death for their crimes, but Sekine died on death row prior to execution.

Marcelo Costa de Andrade (born January 2, 1967) is a Brazilian serial killer who murdered 14 boys in the vicinity of Itaboraí, about 30 kilometers from Niterói, Rio de Janeiro, in 1991.

Sérgio Fernando Paranhos Fleury (19 May 1933 – reported deceased as of 1 May 1979) was a Brazilian police deputy during the Brazilian military dictatorship. He was chief of DOPS, the Brazilian "Department for Political and Social Order", which had a major role during the years of the Brazilian military government.