Besides a few anecdotes, how many torture debriefings have you read and then cross checked?
Unless you’re in the industry, how could you possibly think you have an informed opinion on methods of intelligence gathering?
While the myth about Tprture's (lack of) effectiveness persists?
The idea that being an "industry" insider is necessary to understand Human Psychology 101 is also misinformation.
These ideas come from the NSA, CIA, etc. It doesn't mean they're true. It doesn't mean we have to buy them.
The most famous is Mitchell Jessen and Associates, see https://en.wikipedia.org/wiki/James_Elmer_Mitchell#Work_as_a... , but it's not the only one. Margot Williams published articles about an airline company used to send people to black sites across the world.