intelligence work

Most of their intelligence work involved spying on internal threats to their governments.

The plot was thwarted by good intelligence work, especially by the British intelligence services.

A psychologist to the clandestine world on the unseen toll—and true heroes—of intelligence work.

Just like in intelligence work, one has to collect warning signs.

He himself was for the moment doing some important intelligence work, in close contact with the High Command.

Of our Intelligence work the less said the better—by which I intend no aspersion but quite the contrary.

Peter got his nose into the things at once, for his intelligence work in the Boer War had made him handy with maps.

Negroes also excelled in intelligence work and in dealing with the Italian partisans.

Enough of this competitive intelligence work and Sammy would go broke.