Detectives painstakingly review every aspect of the 2002 disappearance of Dunedin mother of three, Tuitania Barclay and come to the ultimate conclusion.
Detectives reveal secrets from the grave of Jane Furlong - the 17-year-old mother who went missing from Auckland and whose remains were discovered 19 years later.
An FBI-trained criminal profiler and a behavioural psychologist help to identify the killer of 22-year-old Katrina Jefferies, whose body was found in an Auckland reserve in 2005.
For the first time, the Cold Case detectives investigate the 1984 Wellington Trades Hall bombing, and reveal compelling information about the killer device that took the life of Ernie Abbott.
