In May 1920, wealthy womanizer Joseph Elwell was found shot to death alone in his locked house in upper Manhattan. The police identified hundreds of people who might have wanted Elwell dead, but they couldn't quite pin the crime on any of them. In this week’s episode of the Futility Closet podcast we'll review the sensational murder that the Chicago Tribune called "one of the toughest mysteries of all times."
We'll also learn a new use for scuba gear and puzzle over a sympathetic vandal.