Quote Originally Posted by 82shovel View Post
Put the box and ALL the packing and tape together and take it to an UPS office and have it weighed. Then compare the weight to what the shipping weight was. That will tell you if anything was inside the box when he shipped it....
That's a great idea ^^^!

You do have his e-mail address so you can contact him at least, so that's good for the "threatening" part. What about the address you shipped your package to? Have you tried a reverse lookup on it for a phone number?