An hour later Bryan tried to kill himself but survived and went on to admit to manslaughter on the grounds of diminished responsibility.
Three hours after being let out for an afternoon, he kills Brian Cherry with a hammer, then dismembers and cannibalises his body. The experts also said the staff - a psychiatrist and social worker - detailed to look after him in the community did not have the necessary experience. Convicted killer Peter Bryan was given permission to live in a hostel in north London where he could come and go as he pleased. For the next eight years he was in Rampton maximum security psychiatric unit before being released on the advice of psychiatrists. Forensic scientists arrive at the Walthamstow flat in 2004 after Peter Bryan. Nicknamed 'Peckish Pete', Bryan pled guilty to two counts of manslaughter on the grounds of diminished responsibility on March 15, 2005. With some major failures on the part of his psychiatric caregivers, Peter was able to claim 3 lives. 25 April, 2004: Attacks Richard Loudwell, who later dies of his injuries. READ MORE: The unsolved murder of a Walthamstow teacher found stabbed in her burning flat. Bryan, now 39, had an "atypical" mental disorder.