Thank you very much for the reply. As an aside, I use that route for runs from my Virginia offices down to NC. I would (perhaps wrongly) assume that the FBI has checked out the NJ ZIP.
You would correctly assume the FBI checked out the New Jersey ZIP. You would incorrectly assume the FBI reversed the sequence and checked out the New Hope ZIP!
I don't think they analyze things much beyond the meat-axe approach, and AlQaida is entirely too slick for them.