I. INTRODUCTION In late December 2006, Sebastien Boucher crossed into Vermont from Canada. (1) At the border, customs officials inspected Boucher's car and found a laptop in the back seat. (2) A customs agent accessed the computer without entering a password and initiated a search for media files; the query returned tens of thousands of images. (3) Later, a special agent continuing the investigation found "thousands of images of adult pornography and animation depicting adult and child pornography." (4)