00:15 EDT, 4 August 2021 The brother of one of Australia's most notorious killers who beheaded her boyfriend and boiled his head in a pot is back on the street just days after he was charged with the sexual abuse of two young boys. Neville Roughan, 71, was arrested last Thursday for allegedly plying the boys with drugs and alcohol so he could systematically abuse them over 14 years. The former youth worker was due for release on Tuesday night after prosecutors abandoned plans to appeal a magistrate's decision to grant him bail. Roughan is the brother of Katherine Knight, 64, who was t...