>/Edward-Snowden-leaks-mean-GCHQ-takes-three-times-as-long-to-track-terrorists.html
Perhaps it would be faster if they tracked ISIS rather than spending time and resources tracking citizens of friendly countries.
They would generate a lot less ill-will and a lot more sympathy that way.
Unless of course, the major threats are not ISIS, but people in the West who just don't like being spied on.