and on a rugged ride in an all-terrain vehicle with robert cameron who runs an atv border tour business in the small town of progresso. >> do you think people have that impression of the border? >> scary, dangerous place, absolutely. not as bad as people make it seem to be. >> cameron was born in mexico. is now a u.s. citizen. was a long-time democrat until donald trump came along, and made him a republican. >> living and working on the border reveals a blurry reality. cameron fully supports the idea of trump's border wall. but every day he sees the holes in that plan. >> this is part of the border wall that already exists, right? >> exactly this is put back in 2006 by george bush. it's been around for a while. >> a few months ago while riding along the rio grande he recorded this video of what appeared to be smugglers with packs. it's the kind of story countless people along the border can share. but this is an area where a