SHOW / EPISODE

The Poisoning Death of Mary Yoder

Season 355
40m | Oct 12, 2026

#355 - In 2015, healthy 60-year-old chiropractor Mary Yoder suddenly became violently ill and died less than 48 hours later. Toxicology revealed that she had been poisoned with colchicine, but identifying who gave it to her would divide her family and community for years.

A suspicious letter, a bottle hidden inside her son’s Jeep, conflicting digital evidence, and touch DNA eventually led investigators to his ex-girlfriend, Katie Conley.

But after two trials, a conviction, and its eventual reversal, one question remains: Who really poisoned Mary Yoder?


Forensic Tales is a Rockefeller Audio production, written and produced by Courtney Fretwell.

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