Our Serious Crime Review Team, often referred to as the Cold Case Unit is tasked with reviewing historical cases, many of them high profile, such as the case of Jo Jo Dullard, Sophie Toscan du Plantier and a recent review in to the Stardust tragedy. In this episode, Detective Superintendent Des McTiernan takes us behind the scenes of this highly specialised and experienced team who are determined to get justice for victims and their families.