Tonatiuh Guillén Lopez

Passengers from Tecun Uman, Guatemala (across the water), arrive by raft at Ciudad Hidalgo, Mexico, on Friday at sunrise.

Mexico's Migration Chief Abruptly Resigns

by Richard Gonzales

Tonatiuh Guillén Lopez's departure comes as Mexican officials are trying to address criticisms from the Trump administration about the flow of migrants to the U.S. through Mexico from Central America.