‘Why don’t you treat kids with cancer instead of putting me on trial’

A gambler accused of stabbing a grandfather to death after a row at a betting shop told a court that the money spent on his case would be better spent on treating children with cancer. Joseph Tripp, 34, was allegedly captured on CCTV plunging an eight-inch carving knife into Derek McAllister, 54, in the street in East Finchley High Road. The victim spent two weeks in a critical condition before he died in hospital on 13 January 2016. Tripp grew…