NSA Interest in the Paranormal

A declassified NSA draft titled Parapsychology: The COMSEC Threat and SIGINT Capability recently caught my attention when an excerpt was shared by researcher Michael Best. COMSEC stands for communications security, while SIGINT refers to signals intelligence. The six-page document, apparently composed in approximately 1981 and approved for release in 2011, may be viewed in full on the CIA website.

The unnamed author of the draft wrote that dealing with such issues as the manipulation of person...