Guatemala City staffers Sonia Perez D., reporter, and Moises Castillo, photojournalist; Mexico City staffers Mark Stevenson, reporter, and Gerardo Carrillo, videojournalist; and Benjamin Alfaro, video stringer, for a full week of compelling daily spot and enterprise coverage in all formats as migrants face diminished support and mounting obstacles, including detentions, on their trek through southern Mexico toward the United States.