Mother of the Port Arthur massacre killer, Martin Bryant, speaks out | 60 Minutes Australia

Years after the Port Arthur massacre, that photo of Martin Bryant still chills the soul. You look into those crazy eyes and wonder if someone should have known what was coming. Was there some tell-tale sign that this man was capable of mass murder? It’s a question that torments Martin Bryant’s mother, Carleen. For the first time, she talks about that terrible day and what would make her son - her own flesh and blood - go on a killing spree that ranks amongst the deadliest of the 20th century. WATCH more of