Mexico has sent 600 troops to the border states of Tamaulipas and Nuevo Leon amid a new spike in violence. Criminals attacked a Mexican army installation last week in the town of Miguel Aleman and armed clashes between rival gangs also were reported there on Monday.

Republican lawmakers on Tuesday called on New Mexico Gov. Michelle Lujan Grisham to address the migrant smuggling and fentanyl trafficking crisis by deploying National Guard troops to the southern portion of the state.

Volunteer searchers say they’ve found a clandestine crematorium on the edge of Mexico City. It's the first time in recent memory that anyone claimed to have found such a body disposal site in the capital.

Trailed by search dogs and police, María de Jesús Soria Aguayo and more than a dozen volunteers walked carefully through fields of weeds and dry earth with their eyes fixed on the ground Wednesday. On the fringes of Mexico City,