Currently they can't defend any case brought against them when to do so might expose intelligence sources, whether agent sources or friendly liaison services.

He joined the Foreign Ministry in 1948 and became head of the liaison service with the West German authorities the following year.

The interdependence of the US counterintelligence community is also manifest in our relationships with liaison services.

At Guy's Hospital the poisons unit has had to set up a psychiatric liaison service to help such patients.

Advocates of scholar indices recommend their use in areas such as liaison services, references, instruction and collection management.

He was responsible for establishing a medical psychiatric liaison service staffed largely by internists.

The appointment to be director of liaison services does not require Senate confirmation.

To say that I'm pleased with the portmaster's liaison services is a profound understatement.

"He looks real comfortable in that role," said William Lucas, director for liaison services in the Justice Department.

On occasion, as in Jordan in December 1999, these liaison services took direct action against al Qaeda cells.