The US large-scale surveillance plan failed. It had to be abandoned in 2005. Checks afterwards showed that communications from the terrorists had bee… - William Edward Binney

This approach costs lives, and has cost lives in Britain because it inundates analysts with too much data. It is 99% useless. Who wants to know everyone who has ever [been] at Google or the BBC? We have known for decades that that swamps analysts,

This is the research we did online for the 9/11 attacks ... we gave this briefing internally at the CIA, they said, 'how'd you know all this stuff?' because at the same time one of the emails had the date ... 9/11 as the attack date that was given

Incompetence at this scale, when they're doing things at this scale, is really dangerous, you could end up on a kill list without knowing what the criteria is to get on there or what the criteria is to get off.