Here is just some history to note that little has changed in legality, lack of documentation, and destruction of evidence.

I would like to source the MKULTRA program. “It was approved by the director of central intelligence, the general council, director of the office of technical services, and leadership at the agency.” (1. P12)

“Present practice is to maintain no records of the planning and approval of test programs.” (1. p14)

Congress nor the White House were notified and if they were, there are no records of it. (1. P19)

1. Joint hearing before the select committee on intelligence..95th congress [Pages are of the pdf not the actual document.]

https://www.nytimes.com/packages/pdf/national/13inmate_Proje... From the Wikipedia reference