Cold Case

A team of detectives begin examination of the case of Mona Elizabeth Blades, an 18-year-old New Zealand woman who disappeared in 1975 while hitchhiking.

An exploration of the case of Tuitania Barclay, who disappeared from Dunedin in 2002. She vanished from her home, leaving not only her children, but her phone, wallet, clothes and car.

Detectives look at the case of David Robinson, whose decomposing body was found on 28 December 1998, with a single gunshot wound on the forehead, execution-style, on a remote beach.