Add a CIA to this and look at all the black ops they have either admitted or been exposed.

If any of the three-letter agencies (or, for that matter, any big govt agency) uses these kinds of tactic, then there is no reason at all to believe other branches of govt refrain from doing the same shit.

Once, a long time ago, that last sentence would make me a tinfoil-hat-wearer... sad that this is not the case anymore.