Richard Huckle was serving 22 life sentences for his sick abuse of more than 200 children when he was found strangled to death in his prison cell.
The 33-year-old was attacked by fellow prisoner, Paul Fitzgerald, who strangled Huckle with a length of electrical wire before slamming a pen into his brain.
Fitzgerald later said he would liked to have cooked bits of Huckle's body, and would have gone on to kill other inmates but he was "having too much fun".
Jurors were told that Huckle was murdered in a "prolonged attack designed to humiliate and degrade him" at HMP Full Sutton, in East Yorkshire, on October 13, 2019.
Read more on mirror.co.uk