Tags: Criminal.
John Thomas Straffen (27 February 1930–19 November 2007) was a British serial killer who was the longest-serving prisoner in British legal history. Straffen killed two young girls in the summer of 1951. He was found to be unfit to plead and committed to Broadmoor Hospital; during a brief escape in 1952 he killed again. This time he was convicted of murder and sentenced to death.