S2 Ep12: Mary McKnight: Surrounded by Death

After her niece Ruth died in her care, Mary McKnight -- herself a grieving mother -- worried that the shock would kill her sister-in-law, so she gave her something to calm her nerves. But Gertrude died within the hour, and her husband, John, within two weeks. What could have caused the three mysterious deaths in 1903 Michigan? "Crimes of the Centuries" is a podcast from Grab Bag Collab exploring forgotten crimes from times past that made a mark and helped change history. Follow us on Instagram and Twitter: @centuriespod