Breach (2007)
In "Breach," Eric O'Neill, a junior surveillance specialist at the FBI, is thrilled by his promotion to serve as a clerk for Robert Hanssen, a highly respected veteran agent with a long tenure. However, he quickly discovers that this advancement is part of a covert mission to uncover Hanssen's potential betrayal of the nation. Tasked with gaining the trust of the suspected double agent, O'Neill is drawn into a dangerous cat-and-mouse game, where loyalties are tested and the line between ally and enemy blurs in a high-stakes espionage thriller.
