As new evidence is revealed, Robert Durst is arrested and charged with Susan Berman's murder. But who will support Bob in his time of need?

Longtime Durst confidant Stewart Altman defends him on the stand, but when his wife Emily testifies, she reveals crucial new details.

Bob takes the stand to tell his version of events, but on cross-examination finds prosecutor Lewin better-prepared than he anticipated.

After Bob's death, Kathie's family files a lawsuit against his estate – forcing his friends and family to go on the record.