Poisonous Liaisons
Sweet Treats
Season 1 Episode 3
No one could have picked Caroline Grills as a serial poisoner. She was seen by her family as a warm cuddly grandmother who was always on hand to help out. Her sweet treats were generous, but the poison within brought her victims to a slow, debilitating and often ghastly death
Poisonous Liaisons airs on Crime + Investigation at 10:00 AM, Tuesday 7 May.
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Documentary