Crime writer Diane Fanning was working on her first non-fiction book, spending time visiting and writing to a serial killer on death row. When Diane saw a case on the TV show 20/20 about a mother who was convicted of brutally murdering her 10-year-old son, she wrote about it in a letter to the convict. His letter back chilled her to the bone. He knew details about the case that only one person could have known...

Journalist: Nile Cappello

Narration: Maggie Robinson Katz

Audio: Diane Hope & Evan Phillips

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