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Five Ounces of Treason

Ken Thurston travels by plane to Cuba to hunt for a small package that could put the whole world in danger. At LaGuardia airport, Pedro Andalera gets hit by an airplane propeller. Police find papers in his pockets with instructions for causing sabotage. Ken Thurston then heads to Cuba to discover where this threat is coming from.

The Man Called X is an espionage radio drama that aired on CBS and NBC from July 10, 1944, to May 20, 1952. The radio series was later adapted for television and was broadcast for one season, 1956–1957.

Wikipedia. CC BY-SA 4.0. Updated Jul 10, 2026.

“Five Ounces of Treason.” The Man Called X. Radio broadcast, January 13, 1951.