David Gail Meirhofer (June 8, 1949 – September 29, 1974) was an American serial killer who confessed to four murders in rural Montana between 1967 and 1974 — three of which were children. Meirhofer killed himself shortly after confessing, and was never tried in court.

Albert Widmann (8 June 1912 – 24 December 1986) was an SS officer and German chemist who worked for the Action T4 euthanasia program during the regime of Nazi Germany. He was convicted in two separate trials in the West German courts in the 1960s for his criminal activities during World War II.

Ernst-Robert Grawitz (8 June 1899 – 24 April 1945) was a German physician and an SS functionary (Reichsarzt, "Arzt" meaning "physician") during the Nazi era. Grawitz funded Nazi programs involving experimentation on inmates in Nazi concentration camps and was part of the group in charge of the murder of mentally ill and physically disabled people in the Aktion T4 programme.

Charles II (29 May 1630 – 6 February 1685) was King of Scotland from 1649 until 1651 and King of England, Scotland, and Ireland from the 1660 Restoration of the monarchy until his death in 1685.

Sani Abacha ( 20 September 1943 – 8 June 1998) was a Nigerian military dictator and statesman who ruled Nigeria as military head of state from 1993, following a palace coup d'état, until his death in 1998.