Agent—A person who volunteers or who is recruited by a case officer to provide information or other services covertly to the CIA.
Asset—Possibly an agent, but perhaps someone or something else that facilitates clandestine operations; could refer to a clandestine capability, such as phone taps, safe houses, surveillance vehicles, and the like, available to a CIA field facility.
Baseline—The way a person speaks and behaves under normal, or relatively stimulus-free, conditions.
Case officer—A person employed by the Central Intelligence Agency’s National Clandestine Service (see below) who is responsible for recruiting and running agents and other clandestine activity, including covert action.
CIA—Central Intelligence Agency.
Cold War—The ...