Cold Case: New Leads Wanted

An 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 mother-of-three Tuitania Barclay, who disappeared from her Dunedin home in 2002.

In 1998, the body of 25-year-old David Robinson, whose last movements were never confirmed, washed up on a beach in New Zealand. Two decades on, specialists investigate the cold case from a new angle.