Part 4 - Appeal and the Alford Plea

The novelist, a body at the bottom of the staircase, and a court case that grabbed the attention of the world with the victim's husband Michael Peterson put on trial for the murder of his wife Kathleen.

Chris Warburton hears how doubts over the forensic evidence in this case and others lead to an appeal, and a final day in court for Michael Peterson.

Hear the full story. Download the podcast from bbc.co.uk/5live.