Ogilvie was an expert; few men had his background in covert activities.

He soon was part of special operations, a unit for covert activities like recruitment and assassination.

There was a lot of covert activity in the station, for a week, while plans were being made.

Officials said they had no record of a finding, which gives presidential authorization to covert activities.

I don't want him around personnel involved with covert activities.

I also used you as a cover for other covert activities.

But the agency said it could not rule out the possibility that Iran was conducting covert activities.

Our group is responsible for a good part of the covert activity in and out of the country.

Such covert activity was undoubtedly considered illegal by local communist authorities.

"It says using the residual for other covert activities."