A lot of the really sketchy stuff the CIA used to do has been folded under special ops parts of the military. After the church committee, the CIA has to report to the senate intelligence committee. The military only really answers to the Commander in Chief(POTUS), and gets away with a lot more.

Check out the book "The Fort Bragg Cartel". Tl;Dr, the US military and special ops were holding up the poppy industry in Afghanistan, something like 80% of the world's supply of Heroin came out of US occupied Afghanistan. The DEA would look the other way on shipments intercepted over a certain size.

The special ops guys brought the drug trafficking home, now i95 through the southern states is a major drug trafficking route.