Age: 29
Sex: male
Crime: murder
Date Of Execution: 29 Mar 1939
Execution Place: Wandsworth
Method: hanging
Executioner: Thomas Pierrepoint
Source: http://www.capitalpunishmentuk.org/
William Butler murdered Ernest Percival during a robbery on a jewellers.
see "Court Of Criminal Appeal." Times [London, England] 14 Mar. 1939: 5. The Times Digital Archive. Web. 13 July 2013.
see "Alleged Murder Of Jeweller." Times [London, England] 16 Feb. 1939: 11. The Times Digital Archive. Web. 13 July 2013.
see National Archives CRIM 1/1071