A mother and son. A shared secret. A body hidden where no one thought to look. Part one introduced the crime. Part two reveals how forensic scientists cracked the case wide open.

The investigation began with a missing person report filed by the son himself. He claimed his father had walked out on the family, abandoned them without warning. The mother backed up the story with tears and a believable timeline. Neighbors saw nothing unusual. The case could have gone cold forever. But a single piece of trace evidence, a carpet fiber caught in the trunk seal of the family car, told a different story. The fiber matched the carpet in the missing man's home office. The same office where the son had spent hours cleaning after his father disappeared. Forensic accountants traced the mother's spending after the disappearance, revealing purchases inconsistent with a grieving widow's behavior. Cell phone data placed both mother and son at the disposal site on a night they claimed to be watching movies at home. The confession came when the son was confronted with the fiber evidence during his third interrogation. He broke. He named his mother as the planner. She still denies everything. Turn down the lights, put on your headphones, and press play because the mother and son who killed together went to prison together.

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