NSA DIRTY LAUNDRY AIRED by Richard Walker

Additionally, some critics in the United States may be more inclined to wonder if the NSA spies on Europeans on behalf of the British wouldn’t the British use their Echelon capability to target U.S. citizens, thus providing legal cover for the NSA?

Echelon is so interlinked that if U.S. citizens regularly had their emails, faxes and phone calls intercepted, it would be almost impossible for a congressional oversight committee to determine who did the spying—the NSA or the British or the Australians or the New Zealanders.