The CIA panicked because the subjects of CIA torture were learning the identities of their torturers. DOJ did an investigation to see whether any crime had been committed, and determined it hadn’t. CIA then started politicizing that decision, which led to [Patrick] Fitzgerald’s appointment. Fitzgerald confirmed what DOJ originally determined: the defense attorneys committed no crime by researching who their clients’ torturers were. But along the way Fitzgerald gave the CIA a head–John Kiriakou’s–based partly on old investigations of him. And, surprise surprise, that head happens to belong to the only CIA officer who publicly broke the omerta about the torture program. This entire case was an attempt to punish someone to restore the omerta on CIA’s illegal activities.
n. A rule or code that prohibits speaking or divulging information about certain activities, especially the activities of a criminal organization.