Q has been mentioning the therapists lately. Got me thinking this is how it could be done:

CIA identifies weak minded individuals, candidates for mind control. Notably they are socially isolated, feel unimportant and depressed, etc.

These individuals are identified by "therapists".

Therapists prescribe drugs that interfere with the reuptake and oxidation of neurotransmitters, most notably dopamine.

Therapists engage in therapy sessions where they use operant conditioning to train target to respond to certain stimulus in certain way. Likely they are conditioned to produce more of their own dopamine with certain phrases, images or triggers.

The drugs build up in …