black-bag

Etymology
From the term meaning a case containing burglary tools.

Adjective

 * 1) Involving sophisticated clandestine methods for gaining unauthorized entry and obtaining information.
 * Watergate turned out to be a black-bag operation by former CIA employees.
 * Watergate turned out to be a black-bag operation by former CIA employees.
 * Watergate turned out to be a black-bag operation by former CIA employees.
 * Watergate turned out to be a black-bag operation by former CIA employees.

Verb

 * 1) To break in to a place without authorization as part of a clandestine operation.
 * 2) To kidnap in order to make someone disappear (as opposed to kidnapping for ransom).
 * 1) To kidnap in order to make someone disappear (as opposed to kidnapping for ransom).
 * 1) To kidnap in order to make someone disappear (as opposed to kidnapping for ransom).
 * 1) To kidnap in order to make someone disappear (as opposed to kidnapping for ransom).