TEXT: FILE - In this May 13, 2012 file photo, forensic experts examine the area where dozens of bodies, some of them mutilated, were found on a highway connecting the northern Mexican metropolis of Monterrey, Mexico, to the U.S. border. Two months after police found 49 dismembered bodies strewn on a Mexican highway leading to the Texas border, authorities have not identified a single victim. (AP Photo/Christian Palma, File)