> If it is the latter and that argument can be used, then would it be legal to capture cellphone communication and any wireless data? Actually, yes. Except tha

> If it is the latter and that argument can be used, then would it be legal to capture cellphone communication and any wireless data? Actually, yes. Except that Congress has specifically made that action illegal if not done under a specific list of exceptions (e.g. law enforcement with a warrant, intelligence agencies collecting foreign intelligence under an authorization from someone at their agency with that authority, etc.)