The parents of the Nottingham tragedy teens today vowed to be "relentless" in their pursuit of the "full truth" ahead of a public inquiry into the attack. Barnaby Webber and Grace O'Malley-Kumar , both 19, were stabbed to death by paranoid schizophrenic Valdo Calocane as they walked home together in June 2023. Calocane, 34, then attacked Ian Coates, 65, a school caretaker, in another part of the city. Calocane was discharged from Nottingham’s mental health services without any follow-up or risk