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Case 93: Susan Snow & Bruce Nickell

Casefile True Crime

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Cynthia Nichols and the Chicago Tylenol Murders

The FBI subpoenaed Stella Nichols' library card. Record showed she checked out numerous books from the Orb and Public Library prior to her husband's death. One book she borrowed was titled Deadly Harvest, a guide to common poisonous plants. Through her mention of poisoned plants, Cynthia had given investigators a lead.

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