Timeline

Born 23 November 1945The Victims 30 December 1978 - Unidentified 3 December 1979 - Kenneth Ockenden 13 May 1980 - Martyn Duffey, 16 Date uncertain - Billy Sutherland, 27 18 September 1981 - Malcolm Barlow, 24 December 1981 - John Howlett Date uncertain - Archibald Graham Allan 23 January 1983 - Steven Sinclair, 20(Admitted to killing 15 victims in total, between December 1978 and February 1983, but eight were never identified.)Arrested 9 February 1983Trial 24 October 1983Convicted 4 November 1983