To turn(an enemy spy)into a double agent.
she was a deceitful scheming little thing- Israel Zangwill; a double-dealing double agent; a double-faced infernal traitor and schemer- keray.
The story blew their cover; The double agent was blown by the other side.
Set at the "secret"CIA training facility called the Farm at Camp Peary in Virginia,a young agent trainee suspects his instructor (and others at the Farm) of being a double agent.
FBI Director Louis Freeh called sen's behavior " the most traitorous19 actions imaginable" and intelligence experts say the double agent did " extremely grave" damage to national security.
A spy who operates from within an organization, especially a double agent operating against his or her own government from within its intelligence establishment.
Hoffman is a military officer nominally stationed in an embassy of a country. In fact, he is a double agent who not only works for his country, but also provides information to the enemy.
Although this hasn't been confirmed yet,it sounds like this is at least loosely inspired by the real case of Harold Nicholson,a double agent who taught at the CIA's Farm from 1994 to 1996 (he spied for Russia).
