Liam Attwell murderer Brian Grady on the run from jail
A man who murdered a Good Samaritan when he tried to intervene in a mobile phone robbery in Bristol has absconded from open prison.
Brian Grady, 26, from Bristol, was convicted of killing Liam Attwell in the Canon's Marsh area in 2003.
He was sentenced at Bristol Crown Court to serve at least 11 years for murder and robbery.
Gwent Police say Grady, also known as Brian Revill, failed to return to Category D HMP Prescoed on Monday.
He is described as white, 5ft 11in, of medium build, with short light brown hair and blue eyes. He has a scar under his left eye and speaks with a Bristol accent.
Police believe he could be in the Bristol area because he has contacts there.
People are advised not to approach him but to call police if they have any information on his whereabouts.