Intelligence-gathering by British state out of control

GCHQ in Cheltenham, Gloucestshire.

The bilateral relationship between GCHQ and the NSA is uniquely special. It is the core of the "special relationship". The two agencies are truly intertwined.
There are NSA liaison officers assigned to GCHQ in Cheltenham, and GCHQ officers at the NSA's headquarters in Fort Meade, Maryland. The Guardian exposes more about the "Special Relationship" between US & UK Security Services.