Leary, you mean? He admitted that straight up himself, and you can just look at the 1979 MKULTRA reunion video if you have any doubt that he was involved with the CIA [0]. That it's not covered on wikipedia is hardly surprising.
Regarding reliability, Irvin promotes critical thinking through the trivium method [1], and the conclusions are drawn from primary documents. You really should look into it.
Regarding reliability, Irvin promotes critical thinking through the trivium method [1], and the conclusions are drawn from primary documents. You really should look into it.
[0] https://www.gnosticmedia.com/ccn-unspun-020-mkultra-reunion-...
[1] http://www.triviumeducation.com/