- Birth
- 1859 Billy the Kid - Outlaw & Gunfighter
- 1925 John List - American mass murderer
- 1939 Joseph D. Pistone - FBI Agent who went undercover as Donnie Brasco
- 1942 Robert Graysmith - Author and authority on the Zodiac murders
- 1978 Stephan Letter - German serial killer
- Death
- 1898 Mary Cowan - American serial killer who was known as The Borgia of Maine
- 1997 Benjamin Atkins - American serial killer & rapist
- Event
- 1859 James Donnelly is sentenced to hang for murdering Patrick Farrell, but a petition for clemency reduces his sentence to 7 years in Kingston penitentiary
- 1997 Dr Sam Sheppards body exhumed for a DNA test
- 2012 Swedish forensic scientists find no conclusive evidence of Wikileaks founder Julian Assange's DNA in a torn condom
- 2018 US border control agent confesses to the murder of 4 women and assault of another in Laredo, Texas
