The headshotz_tutorial.zip file you have requested: Tutorials / Clients, Players / Headshotz Tutorial - 1.76mb is not available. Perhaps try browsing all files for the game Call of Duty 2 and upload any files you want to share or are missing. This is the only information we could locate:
Here's an interesting little 'tutorial' on a method that should help you get more headshots in Call of Duty. :) It involves simply aiming higher than what seems natural, so you tend to come down on top of players when firing at them with automatic weapons. Anyway, check out the screenshots below for a brief example of what the author wants you to know; to read the whole thing, download the full package now!