Why some say Mexico already built Trump’s wall — and paid for it
(CNN) -- The commander paces in front of a line of troops, preparing them for the day's mission. "We are in our country. We are in Mexico. We are enforcing our laws," he says, his voice getting louder with each point he makes. "Nobody is going to come here to trample on our laws," he continues. "Nobody is going come here to trample on our country, on our land."