TOPSHOT - Guatemalan migrants use a makeshift raft to illegaly cross the Suchiate river from Tecun Uman in Guatemala to Ciudad Hidalgo in Chiapas State, Mexico, on July 22, 2019. - The illegal crossing of Hondurans, Salvadoreans and Guatemalan to Mexico increased significantly since October but migratory controls have postponed the "American dream" of migrant families. Mexican President Andres Manuel Lopez Obrador agreed last month to crack down on undocumented migration, deploying tens of thousands of National Guardsmen to tighten its borders after US President Donald Trump threatened to impose tariffs. (Photo by ALFREDO ESTRELLA / AFP)