Too much data ruins the investigation, every time.
Between DNA databases, mandatory fingerprinting for visa seekers, CCTV carpet-bombing, and Oyster card data, we’ve never collected more „security” information than we do today. But does this really make us secure? Is it possible to know too much?
Outside of dramatically failed experiments like the Soviet Union and East Germany, policing has never been a business of gathering data on every single person and arresting the guilty ones. This doesn’t catch guilty people, it ensnares the innocent and acts as a kind of monetary black hole, absorbing all the cash we can toss into it, growing larger and more voracious by the day.
Cory Doctorow: Surveillance: You can know too much