When beginningthe level that has the search lights, go to the closest entrance for the search lights. Get ready when the search lights stop. When they begin moving again, enter the search light area, quickly go to the left, and get out of the search light area. After that, move straight and to see a truck with two cameras and guards. Go to the truck and get in the back. The pistol should be there. There should also be a box that may be used for hiding. Note: If enemies see your character entering the truck they will throw grenades.