ABC Online | Does extended cannabis use play a role in psychosis? ABC Online When Cairns mother Raina Thaiday killed eight children in 2014 she had been clean of cannabis for months, but a psychiatrist found her prior long-term use may have trigged the violent schizophrenic episode. There is a widely held view within the ... 'This is no justice for those babies' Cairns mum who killed eight children unfit for trial 'Something got to her': no trial for mum who slew eight kids |