Courier Mail | Brett Peter Cowan's jailhouse attacker freed on parole Courier Mail A QUEENSLAND prisoner who tortured Daniel Morcombe's killer by pouring hot water over him has been released on parole. Adam Paul Davidson was sentenced to three years' jail last month for the vigilante crime, but Brisbane District Court Judge Ian ... Man who poured boiling water over child killer Brett Cowan walks free from prison EXCLUSIVE: 'I just wanted him to feel pain': Vigilante inmate, 31, walks free from prison after pouring boiling ... |