Volker Eckert (1 July 1959 – 2 July 2007) was a German serial killer, who killed at least six women in East Germany, France and Spain, between 1974 and 2006. Eckert confessed to only six murders, five of whom were sex workers, but is believed to have killed at least nine women, and is also accused of committing additional murders of women in several European countries including Italy and the Czech Republic, but investigations were closed after Eckert committed suicide during his criminal proceedings on 2 July 2007.

Ana di Pištonja, (née Drakšin or Draxin) better known as Baba Anujka, (Serbian Cyrillic: Баба Анујка; c. 1836 or 1838 – 1 September 1938) was a Serbo-Romanian convicted serial killer amateur chemist from the village of Vladimirovac, which was during her life part of the Austrian Empire, Austria-Hungary and eventually Yugoslavia.

Johann Cesar Godeffroy (7 July 1813 in Kiel – 9 February 1885 in Blankenese) was a German trader. He was the founder of Museum Godeffroy.

José Antonio Yépez Ortiz, known as El Marro, The Sledgehammer or The Brown, is a Mexican suspected drug lord and huachicolero (fuel thief). Between 2017 and 2020, he served as the leader of the Santa Rosa de Lima Cartel (CSRL), a criminal group based in Guanajuato, Mexico.

John Bittrolff (born July 1, 1966) is an American convicted murderer and former suspect in the Gilgo Beach serial killings case. In July 2014, he was charged with the murders of Rita Tangredi and Colleen McNamee.

Kenneth Erskine (born 1 July 1963) is a British serial killer who became known as the Stockwell Strangler. He committed the murders of 7–11 senior citizens in London between April and July 1986.

Elisabeth Wiese (1 July 1853 – 2 February 1905) was a German serial killer from Hamburg, convicted and executed for the killing of five children.

The Burke and Hare murders were a series of sixteen murders committed over a period of about ten months in 1828 in Edinburgh, Scotland. They were undertaken by William Burke and William Hare, who sold the corpses to Robert Knox for dissection at his anatomy lectures.