If they sent it by US mail, take it straight to the local Postmaster. Get the full headers or source file of all the emails printed out and take them, too.
A lot of them use FedEx or something to get by the mail fraud thing, so see if it really does come by mail. That makes it a federal crime.
Yup. He said he was in London. He said he would pay extra to hold the item for him. This guy even called me a month after the first email response. He didnt even bother to block the phone number. DUMBASS!