Man admits killing parents after secretly leaving English psychiatric hospital

William Warrington slipped out of hospital in Gloucestershire and stabbed his mother before taking her car to kill father A man with paranoid schizophrenia has admitted stabbing his parents to death on the same night in two attacks 15 miles apart, after slipping out of a psychiatric hospital in Gloucestershire. William Warrington killed his mother, Valerie, 73, a hospital worker, at her home in the Cotswolds village of Bourton-on-the-Water in March. He then drove her car to his father, Clive's, ...