Security footage shows the dramatic moment a prisoner almost stabbed a prison guard after lunging at him with a knife, meaning to kill him.
Kevin Jones, 41, has been convicted of attempted murder after he attacked the guard at HMP Bullingdon near Bicester.
The male prison officer, then aged 28, was escorting another prisoner to his cell at around 10.10am on 17 July 2021 when Jones struck, a court head.
