FILE - The flag-draped coffins of Guatemalan migrants who were killed near the U.S.-Mexico border in January stand on the runway after they were flown to an Air Force base in Guatemala City, Friday, March 12, 2021. Guatemalans are paying as much as $15,000 to get to the U.S. and prosecutors are increasingly trying to track where that money goes as the illicit business evolves. (AP Photo/Moises Castillo, File)