It’s a crime as old as the state of Texas. And, for more than a century, a special group of rangers has made catching cattle rustlers their mission. In bygone days, their prey roamed the vast rural expanses of Texas where cattle drives provided a tempting target for the rustlers. These days, they are just as likely to find the bad guys plying their trade in the shadows of urban metropolises intersected by busy highways. Read more at The Houston Chronicle…