SPYSCH_141026_726
Existing comment: Concrete Evidence:
The concrete walls of the new American Embassy in Moscow were honeycombed with Soviet bugs. To confuse American bug sweepers, the KGB also embedded scraps of metal and wiring in the concrete. One chunk containing an insulated antenna cable was encased and presented to Direct of Central Intelligence William H. Webster. Can you identify it in this core sample? The memento remained on his desk at CIA headquarters for many years.
Modify description