The new regulations would make it easier to detect and prosecute spies.

It is also tasked with counterintelligence in the army, which entails detecting spies in military areas.

The F.B.I. suggested today that he may have been more successful because his counterintelligence training made him far more knowledgeable about how the F.B.I. detects and catches spies.

Military experts have chosen to protect some major computer systems from break-ins or tampering with special operating instructions, called "trusted software," designed to detect and thwart saboteurs and spies.

He detected spies hidden inside our outer picket line and warned One-Eye.

Spies were entrusted with union security responsibilities, even with the responsibility of detecting possible spies.

"These drips are really most trusting because I can detect no bugs, spies or optic pickups anywhere in these quarters."

Telepaths detect spies and traitors; they assist in jurisprudence; they gradually go crazy.

The officer, whom other intelligence officials identified as Paul Redmond, has been promoted to be a special assistant to Mr. Woolsey for counterintelligence, the business of detecting spies.

Officials in Moscow have said that counterintelligence investigators are trying to detect spies for the United States.