Cause to Kill is an episode of series 22 that first aired on 11 November 2005.


Burke feels like he is stepping back in time when the body of a young woman clothed in bin bags is found by the Clyde, a copycat killing repliccating a 20-year old murder case. He enlists the help of a celebrated forensic patholigist Irene Russell to stop the body count rising further, but it becomes clear that she may be an ultimate target.