Originally Posted by lupine

I still think they're not clear on the concept: after-the-explosion video of who anonymously dropped the package off at the post office may help the FBI find the perpetrator, but it doesn't do diddly-poop to actually protect the passengers and the plane. A carrier taking a package from a known customer seems to be inherently a stronger level of security.

And video of bundled up people in queue at the post office in frigid weather isn't likely to be any too helpful anyway.