>> it could have been received at the sorting site, and that's a great question, we don't know. what this seems to indicate is this person -- there will be more, and certainly, you know, how this was sent, i think, will be the big focus of the fbi. >> stand by guys for one second if you will. >> we have one of our cnn reporters, mark morales, who is live at the scene on the phone. tell us what you are seeing there? >> it's a heavy response this morning, and you can hear helicopters in the air, and the bomb squad and about a block from the restaurant taped off, and fire trucks and ambulances are here, and it's a heavy response at the moment. >> a heavy response at the moment. what we are looking at mark, we are looking at the truck that is