Subject, blinking in the fluorescent light, did a few characteristically FLICKS OF HIS TONGUE, reacquired his nervous tick, and in a frail, squeaky voice, replied "Nothing"…
this is fucking weird
Here's the whole document in PDF
https://nsarchive2.gwu.edu//dc.html?doc=4704836-Document-16-Thailand-black-site-report-to-CIA#document/p2/a446106