The disappearance of 11 years Mike Beckenridge and his stepfather John was initially thought to be a sad story of a murder suicide.
John and Mike disappeared in 2015 from Invercargill, the only evidence left behind was the wreckage of John's car at the bottom of cliffs in the Caitlins.
The families of the pair don't believe they are dead.
Stuff journalist Michael Wright's podcast the complex and compelling case released this morning called The Lost Boy.
John Beckenridge, left, and Mike Zhao-Beckenridge Photo: SUPPLIED
