Prison officers knifed by movie obsessed killer

A dangerous killer who was obsessed by the slasher movie Saw was able to stab two prisoner officers, despite being on a maximum-security wing at HMP Wakefield.

- by Nick Frame

Mathew Tinling, who is already serving three life sentences, was able to hide a knife as he took a shower before plunging it into one officer's neck, and another's arm.

He was handed another life sentence after admitting two counts of Section 18 GBH with intent, with the judge at Leeds Crown Court describing him as a “lethal danger to anyone in the prison estate”.