Charles Chi-tat Ng (born Ng Chi-tat) (Chinese: 吳志達; born 24 December 1960) is a Hong Kong-born convicted serial killer who committed numerous crimes in the United States. He is believed to have raped, tortured, and murdered between eleven and twenty-five victims with his accomplice Leonard Lake at Lake's cabin in Calaveras County, California, 60 miles (96 km) from Sacramento, between 1983 and 1985.

Lydia Sherman (December 24, 1824 – May 16, 1878), née Danbury, also known as The Derby Poisoner, was an American serial killer. She poisoned eight children in her care (six of whom were her own) and her three husbands and was convicted of second-degree murder in 1872.

The Bradford murders were the serial killings of three women in the city of Bradford, West Yorkshire, England in 2009 and 2010.

Giuseppe Farinella (24 December 1925 – 5 September 2017) was a Sicilian mafioso, boss of the San Mauro Castelverde family and a one-time member of the Sicilian Mafia Commission.

Dean Arnold Corll (December 24, 1939 – August 8, 1973) was an American serial killer and sex offender who abducted, raped, tortured and murdered at least 29 teenage boys and young men between 1970 and 1973 in Houston and Pasadena, Texas. He was aided by two teenaged accomplices, David Owen Brooks and Elmer Wayne Henley.

The serial murders in Essonne were a series of four murders that occurred from November 2011 to April 2012 in an area of ten square kilometers in the north-east of the department of Essonne, France. The main suspect, Yoni Palmier, was charged on April 16, 2012.