From cannibal killer bludgeoned with crowbar to ‘hit’ on infamous Strangler…sick murderers who died by ‘prison justice’

THEY were monsters who committed unspeakable crimes – murderers, rapists, and serial killers whose names became synonymous with evil.

But for these notorious criminals, justice didn’t end with a life sentence.

MEN MediaOn April 13, John Mansfield, a convicted murderer was killed by another inmate[/caption] MEN MediaMansfield stabbed his neighbour Ann Alfanso around 20 times in August 2006[/caption] PAHe was killed in HMP Whitemoor, where he was serving his prison sentence[/caption]

Instead...