I agree with your point re: the odds of it happening. It puts things in perspective. Entire books have been written about the legal standards required. It's di

I agree with your point re: the odds of it happening. It puts things in perspective. Entire books have been written about the legal standards required. It's difficult to summarize here. One short answer is that the Fourth Amendment is not viewed as applying to non-U.S. citizens abroad. Check out the NSA director's 2006 testimony on nsa.gov for more on this.