Andrew Light, 45, allegedly attacked the paedophile in HMP Wakefield with a 'wooden shank' leaving him 'bleeding heavily' from multiple wounds to his head and neck.
Horror film-obsessed Peter Moore, who was convicted in 1996 of the savage, sexually-motivated murders of four men, is currently an inmate at HMP Wakefield.
A prison officer was horrifically slashed across the face by violent prisoner Martin Bates, who is serving life for murder in HMP Wakefield, with an improvised weapon made from a disposable razor.