New hearing for betting shop ‘killer’

A disturbed killer who stabbed a grandfather to death after a petty row in a betting shop will face another hearing to see if he fit to stand trial. Joseph Tripp, 33, allegedly flew into a rage after a row with Derek McAllister, 54, and bought a carving knife he could find at a nearby hardware store on 30 December 2015. CCTV captured the moment Tripp leapt out from behind some parked cars and plunged his eight-inch blade into Mr…