Fugitive wanted for murder returned to Mexico from Texas after at least 10 illegal entries over two decades, ICE says
Humberto Avila is accused of killing a 22-year-old in Mexico in 2007 amid his back-and-forth journeys to the U.S.
Mexico's president takes aim at U.S. gunmakers if cartels are designated as terrorist groups
Claudia Sheinbaum said the U.S. Justice Department itself has recognized that "74% of the weapons" used by criminal groups in Mexico come from north of the border.