Gardner Museum Robbery
- Episode aired Aug 14, 2023
History's Greatest Mystery's explore the top theories behind who was behind the 1990 art theft at the Isabella Gardner Museum in Boston.History's Greatest Mystery's explore the top theories behind who was behind the 1990 art theft at the Isabella Gardner Museum in Boston.History's Greatest Mystery's explore the top theories behind who was behind the 1990 art theft at the Isabella Gardner Museum in Boston.