"Does foreign searches"? What the heck does that mean? This is so bull****.
I want the supposed NSA pukes that they say they have on record to come forward and say what they have.
Why is that so hard to understand? Any comm channel that originates outside the US or has a destination outside the US is a "foreign search" to use your parlance. It has been on-going for decades by the NSA. It started by intercepting the USSR/Commies communicating with their "operatives" in the US and other foreign locations. This is for comm. The same rules apply to visual surveillance - CIA is foreign only and the FBI is domestic. The FBI can tap your phone or PC with a court order. The CIC has the responsibility to protect us from foreign enemies and we have never used court orders to carry that out - the CIC has the full responsibility. If you are a foreign person inside the US you should just possibly expect your phone just might be tapped if you are using "key words or phrases".