The Waterfront Mata Hari: How a Father-Daughter Spy Team Hunted Ships in New York Harbor

Before Pearl Harbor, naturalized American Simon Emil Koedel and his daughter Marie operated a covert Nazi intelligence ring targeting critical shipping movements right out of New York’s harbor bars. By exploiting social dynamics, casual conversations, and routine operational oversights, this duo turned everyday interactions into high-value intel for enemy forces. This episode breaks down the situational awareness gaps, human-factor vulnerabilities, and social engineering tactics that allowed a father-daughter spy team to operate unnoticed in plain sight.