Valdo Calocane was suffering from paranoid schizophrenia when he deliberately and mercilessly killed three people in the early hours of June 13 last year.
School caretaker Ian Coates was killed along with students Barnaby Webber and Grace O’Malley-Kumar in Nottingham by Valdo Caolcane, and Ian's son James said he felt "hatred" towards the attacker
Valdo Calocane, 32, fatally stabbed Barnaby Webber, Grace O'Malley-Kumar, both 19, and Ian Coates, during a rampage through Nottingham and tried to ram three others with a van