Michael "Mickey" Munday (born June 29, 1945) is an American former drug trafficker and former associate of Colombia's Medellin Cartel during the growth phase in cocaine trafficking, 1975–1986. Munday was featured in the 2006 Rakontur documentary, Cocaine Cowboys.

Peter William Sutcliffe (2 June 1946 – 13 November 2020), also known as Peter Coonan, was an English serial killer who was convicted of murdering thirteen women and attempting to murder seven others between 1975 and 1980. Press reports dubbed him the Yorkshire Ripper, an allusion to the Victorian serial killer Jack the Ripper.