Combating enemy interests and activities by clandestine means.

He, through clandestine means, gathers information throughout the world.

The agency would do better to confine itself to collecting and analyzing intelligence by open and clandestine means.

In addition, players can use economics and religion to their advantage, as well as clandestine means such as espionage and assassination.

Kids may be playing games they're not supposed to through clandestine means, but the law wouldn't have prevented that.

The exact nature of the proof required by the Israelis for the killings is classified, as it involves clandestine military intelligence-oriented means and operational decisions.

He was said to have obtained the documents by clandestine means in a Los Angeles hotel room in 1940.

In response, the Israeli government tasked Mossad with facilitating such emigration, using clandestine means.

At the same time as the air defense warning yellow was announced, submarine-launched missiles arrived and weapons emplaced by clandestine means were detonated.

The new communist party defined itself as a revolutionary party, which used legal as well as clandestine or illegal means.