Murder on the Streets, Part 2

Episode five continues to follow the investigation into the killing of Carl Hopkins in Colchester. As the case enters its third day, the hunt is on for the unidentified murder suspect. A forensic search of a property believed to be used by the suspect gives police the breakthrough they need. But evidence revealing the victim tried to rob the suspect before he was attacked presents detectives with a challenge. Did the suspect murder the victim or was he acting in self-defence?