The problem, as with many a government agency coercion, is that the evidence proving it happened doesn't come to light until decades later. From the CIA sellin

The problem, as with many a government agency coercion, is that the evidence proving it happened doesn't come to light until decades later. From the CIA selling drugs to arm the Hmong in the Vietnam war to the NSA in ATT's room 641A, there are enough examples to know that it's possible.