Best of 2025 | Typhoid Mary: The Shocking True Story of New York’s Silent Killer

Typhoid Mary: The Shocking True Story of New York’s Silent Killer is one of the most eerie, gripping, and unexpectedly timely episodes of Terrifying & True. In this Best of 2025 revisit, we return to the haunting real case of Mary Mallon, the woman history would remember as Typhoid Mary—an apparently healthy cook linked to deadly typhoid fever outbreaks across New York and Long Island.

At the center of this unforgettable historical mystery is a terrifying idea: what if the person spreading disease shows no s...