Justice Painted Blind (2) Wire in the Blood : Season 1 Episode 6

This is the case that pervades every part of Tony and Carol's soul - in tracking down this killer they discover that the killer thinks he's providing justice whilst they also have to solve two unsolved paedophile crimes, which prove enough to turn even the crime-hardened pairs' stomachs. Their quest is further complicated by Carol's new boyfriend, Spencer, a lawyer who has his own opinions of who might be behind the killings.