Brooke, countries conduct industrial espionage against us every day.

They were alleged to be conducting such espionage under the cover of trading in cotton.

He also admitted to conducting espionage in favor of foreign interests.

Cyber-collection refers to the use of cyber-warfare techniques in order to conduct espionage.

Federal and private experts unconnected to the project said the new plutonium would probably power devices for conducting espionage on land and under the sea.

Their ship had been captured in Klingon space while conducting espionage.

"There's not an automatic presumption that somebody is conducting espionage and therefore people aren't watching carefully for suspicious type activity," he said.

A walk-in agent is an individual who voluntarily offers to conduct espionage.

This led us to suspect early that he would accompany the delegation to Merseia, no doubt in the hope of conducting espionage.

Initial reports indicated the Germans were angry because the agent was conducting economic espionage against Germany.