Mark.... Our guide took us down that same road when I and two friends hunted there in December 2012. I was surprised just how porous the wall was constructed. I actually had one foot in Mexico and one in the USA for a photo op. Saw a female Cougar and her cub running down the Mexico side one morning. Also a few Border Patrol Agents. Hope your guide pointed out the little crude Mexican Chapel built along their side for a last stop and prayers by the illegals before crossing over into the USA. Beautiful country and I agree with Craig that the Mearns are "little rockets" and when you bring one down it is very rewarding,,,,, and what a trophy little bird! Hope to return someday.