2/2 An Iraqi woman proves the key to the unlocking of the case.
1/2 The discovery of a human hand leads the cold case squad to a major cover-up.
BBC One Northern Ireland
BBC One except Northern Ireland
2/2 The shocking truth about the headless corpse is revealed.
1/2 The team's investigations lead them to a group of ex-cons.
2/2 Boyd and the team investigate Lore's true identity and the reasons why she is in danger.
1/2 A woman and her children find themselves in mortal danger.