After our year-long investigation, in this final episode we revisit the murder/suicide theory. That misstep set the whole investigation off on the wrong foot, and might have derailed any chance of finding out who killed the Shermans. To the Sherman's children, it's one of the biggest police screw-ups in recent history – a botched job that muddled the truth and stained the family. But the theory hangs in the air because its adherents, especially Kerry Winter, aren’t budging. In the end, what is the Shermans’ legacy? And what was all that money really for?

For transcripts of this series, please visit here.

Itiel Dror’s Cognitive Bias in Forensic Pathology Decisions

Douglas Young’s website