i mean, this really theoretically could put innocent humanitarian workers at real peril. >> absolutely, jake. i mean, you have to look at abbottabad we were trying to collect dna. and, you know, vaccination programs completely went under there. and pakistanis turned on them. and this puts at risk all christian missionary groups across the world working in hostile areas. they're going to be called spies. they're going to be looking at this north korea thing, yeah, puts them at risk absolutely. >> matthew, this program was secret with very little oversight throughout both the bush and obama administrations. why was it able to continue as long as it did? >> well, first of all, the nature of the way it was classified meant it was very limited in terms of who outside of the people in the pentagon knew. we know it was briefed to the appropriations and the armed services committee. we know it was probably briefed to the intel committees, but in those briefings it's only the chair and ranking members. no staff is allowed in.