I don't disagree that it is possible in theory, but are there any substantial examples of initiatives genuinely spawned at the general public level changing pol

I don't disagree that it is possible in theory, but are there any substantial examples of initiatives genuinely spawned at the general public level changing policy of the FBI? This would be required to upgrade the binary (True/False) proposition from a belief to a fact...but then only as a binary (the FBI could still be 99% beyond the will of the people).