Martin Dumollard (June 22, 1810 − March 8, 1862) was a French serial killer condemned to the guillotine after having been arrested and charged with the deaths of maids from 1855 to 1861. His victims were approached in Lyon by Dumollard, who offered them a nice house in Côtière.

Robert Black (21 April 1947 – 12 January 2016) was a Scottish serial killer and paedophile who was convicted of the kidnap, rape and murder of four girls aged between 5 and 11 in a series of crimes committed between 1981 and 1986 in the United Kingdom.

Donald Lehman (1933 – January 8, 1981) was an American man who was murdered in front of his family by four men in Arkansas. All four men – James William Holmes, Hoyt Franklin Clines, Michael Orndorff, and Darryl Richley – were convicted of capital murder and sentenced to death, albeit Orndorff's sentence was reduced to life without parole on appeal.

Staf Van Eyken (Dutch pronunciation: [ˈstɑfɑn ˈɛikə(n)]; born 21 April 1951) is a Belgian serial killer who strangled three women between October 1971 and March 1972 in Mechelen and Bonheiden. Because he liked to bite his victims, he got the nickname The Vampire of Muizen.

Gerolamo "Nino" Bixio (Italian: [dʒeˈrɔːlamo ˈniːno ˈbiksjo], Ligurian: [ˈniːnu ˈbiːʒu]; 2 October 1821 – 16 December 1873) was an Italian general, patriot and politician, one of the most prominent figures in the Italian unification.