Man who murdered UK dad in Australia declared mentally unfit for trial Posted By: April 28, 2026 Man who murdered UK dad in Australia declared mentally unfit for trialA judge found Royce Mallett's killer, who was displaying symptoms of psychosis at the time of the attack, could not be found criminally responsible. [TheTopNews] Read More.BBC NEWS – Australia | World News & EventsMon, April 27, 20263 days ago