The House committee last week rejected all exemptions except for private contractors performing counterintelligence work for the Federal Government.

He also called on spies to step up counterintelligence work against foreign security services which he said have intensified their activity on Russian territory lately.

He later performed undercover counterintelligence work in East Germany and Turkey, up to 1959.

Whoever was doing the counterintelligence work for the North Koreans was good, and had an impressive array of resources.

I know that in the past you haven't been involved in counterintelligence work, but I don't believe there's anyone better suited to the task.

General Washington demanded effective counterintelligence work from his subordinates.

He was assigned to counterintelligence work and was discharged in 1946 as a first lieutenant.

New allegations about the security police's counterintelligence work were disclosed Friday in a video film that was broadcast on television.

Much of her counterintelligence work involved thwarting spies from the former Soviet bloc during the Cold War.

It does not include police organizations with domestic informers, or, on an international basis, human sources that do counterintelligence work alone.