3. Julius and Ethel Rosenberg
Julius and Ethel Rosenberg became the center of a Cold War espionage scandal when they were accused of passing atomic secrets to the Soviet Union. Their trial captivated the nation, stoking fears of communist infiltration and sparking heated debate over the evidence. Despite worldwide protests and doubts about their guilt, the Rosenbergs were executed in 1953. Their case remains one of the most controversial examples of alleged treason in American history, symbolizing the paranoia and tensions of the era.
