The manager of the Mosque Kitchen recognised the male who had frequented his premises and contacted the police. Police raided his address and found the body of Samantha Wright. Chalmers had obtained free food from the restaurant and, at one stage, worked as a handyman in the nearby car park.
Full story here and here, including the following quote from Akbar.
"Chalmers used to come to the kitchen and we would give him free food and coffee because we felt sorry for him. We thought he was homeless. He was hanging around for a few months . . ."