Em22, Have you tried the software? With the IP address and other information collected law enforcement can get more information including the exact address from the ISP, you are not paying just for the software but the service behind it. Most free firewalls are circumvented by the GadgetTrak agent, the better ones of course are not, such as those you will find in a corporate environment. The product is not meant for USB drives, but for more expensive items such as iPods, digital cameras, GPS systems and more.