Cold killing

A series of brutal killings leaves South London's Murder Investigation Unit struggling to connect the crimes: no recognizable method; no forensic evidence; and the victims have nothing in common. DI Sean Corrigan's troubled past has left him with an uncanny ability to identify the darkness in others -- a darkness he struggles to keep buried within his own psyche. Sean knows these murders are the work of one man. As the violence escalates, Sean must find the evidence he needs to bring the perpetrator to justics -- before the next attack hits too close to home...