Mothers whose sons were the victims of fatal knife crime Lorraine Jones (left) and Lillian Serunkuma (right) hold photographs of their sons as they attend the launch of a new knife crime campaign, Hard Calls Save Lives, which is supported by the Metropolitan Police Service and Crimestoppers, New Scotland Yard, London. Picture taken on April 8, 2021. - Credit: PA Mother Lilian Serunkuma, whose son was stabbed in Willesden in 2017, is urging the public to report information about knife crime. Quamari Serunkuma-Barnes, 15, was stabbed three times as he was leaving Capital City Academy at the end of the school day.