fencing and barricades already in place. here in this town, this steel see-through fence stretches for several miles. but as you approach the end of town, it abruptly comes to an end, like these border fences often do. as it stretches out into rugged, remote terrain in the arizona desert. >> we put cameras five minutes from the road. >> reporter: foley relies on cameras he hides in the brush to capture the movements of drug smugglers. he often shares that information and the videos with border patrol agents. >> you need boots on the ground. >> good thing we have this up here. >> reporter: foley voted for donald trump and wants to see all undocumented immigrants in the u.s. deported, and additional border patrol agents moved closer to the mexican border. but he's not convinced trump or anyone else can change the reality he sees. >> when you're reactive to a problem, you're always going to be hyped the solution.