How was Eli Cohen's true identity discovered by Syrian counterintelligence?
Fingerprint analysis
Radio transmission interception
Informant
Photographic evidence
Answer
Syrian counterintelligence discovered Eli Cohen's true identity by intercepting his secret radio transmissions to Israel. This led to his arrest, trial, and eventual execution.
Master of Disguise: The Intriguing Tale of Eli Cohen, Israel's Legendary Spy