He had become the subject of an international sting orchestrated by a secretive unit of the American Drug Enforcement Administration.

It contains dozens of interviews and analysis of previously classified government documents, each piecing together the story of Canada's most secretive military unit.

A short-lived and secretive unit, most of the hardened veterans came from the airborne and special operations units.

About five years ago, Nokia hatched a telecommunications project with the code name "Responder" and formed a secretive unit to carry it out.

But I think we've already seen the harmful result of using renegade, secretive units in military operations.

The Pentagon tightly controls information about Delta Force and publicly refuses to comment on the highly secretive unit and its activities.

It is among the most highly trained and secretive units in the Israeli military.

Guy took part in one mission as part of this secretive unit.

This was a secretive unit where all sorts of chemical gases and munitions were tested.

It is the most secretive unit in the Sri Lanka Army.