army vet from vietnam, retired civil servant keeps a watchful eye day and night using only his resources not a part of any militia or affiliated group, he goes out with a few of his colleagues and tries to find illegal activity and report it to authorities. we traveled with only a camera to follow him on patrol to see what he could find. what do you do and why? well, there are a lot of gaps in the border patrol surveillance because they know they ve given most of the illegals, especially the drug smugglers on to the ridge lines on both sides of the valley. we are here to maintain surveillance at the bottom of the valley and to keep the people herded into those narrow corridors where the border control can concentrate on them. reporter: with the high powered night vision scopes, you will do hours of surveillance? yes, we have several, two