US defense workers warned about spy coins

WASHINGTON - Can the coins jingling in your pocket trace your movements? The Defense Department is warning its American contractor employees about a new espionage threat seemingly straight from Hollywood: It discovered Canadian coins with tiny radio frequency transmitters hidden inside.

Spy Eisenhower Dollar This photo released by the Central Intelligence Agency shows a hollow container, fashioned to look like an Eisenhower silver dollar, which is still used to hide and send messages, or film, without being detected. Because it resembles ordinary pocket change, it is virtually undetectable as a concealment device. [AP]

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