Snapped Bonus: The Effects of Arsenic Poisoning (Season 25, Episode 25)

Former chief medical examiner John Butts looks back on the case of Ivy Dorian Lanier, who was poisoned with arsenic by his wife Pamela Lanier. Butts says Dorian experienced gastrointestinal problems for several weeks, which is a very common symptom and sign of arsenic poisoning. Within 30 minutes to an hour of ingesting arsenic, a victim will show signs of poisoning.