Police who caught up with Hayes after a major manhunt discovered he had been in custody for waving a knife at a policeman but was then freed on bail by a magistrates court 82 minutes before the first stabbing took place.
The father-of-one had been treated for mental health issues triggered by him smoking up to eight cannabis spliffs a day.
Ah, that old chestnut.
He was initially detained under the Mental health Act but was discharged after psychiatrists concluded he was fit and well when not smoking cannabis. He claimed to have little recollection of either attack.
Of course he did...