(
DoD) A person, thing, or activity from which information is obtained.
(
DoD) In clandestine activities, a person (
agent), normally a foreign national, in the employ of an intelligence activity for intelligence purposes.
(
DoD) In interrogation activities, any person who furnishes information, either with or without the knowledge that the information is being used for intelligence purposes. In this context, a controlled source is in the employment or under the control of the intelligence activity and knows that the information is to be used for intelligence purposes. An uncontrolled source is a voluntary contributor of information and may or may not know that the information is to be used for intelligence purposes. See
also agent;
collection agency.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.