The father of Sydney mass murderer Joel Cauchi says he had done 'everything in my power' to help his mentally ill son, and took five US army combat knives from him last year because he was fearful of being stabbed. Andrew Cauchi and wife Michele said at their Toowoomba home on Monday that they were devastated by their son’s stabbing spree at a Bondi Junction shopping centre on Saturday that killed six people. “He is my son, and I am loving a monster. To you he is a monster, to me he was a very sick boy.” Read more at the link in our bio.