Matamoros

She hailed from Matamoros, a city in the northern state of Tamaulipas and launched her career in Monterrey before moving to Mexico City.

In some respects, the violent events in Baja California are reminiscent of the kidnapping of four Americans - two were murdered - last year in Matamoros, in Tamaulipas state.

The two men rang the bell at the Resource Center Matamoros, a migrant aid group in the Mexican border city, and, speaking in broken Spanish, said they were looking for volunteer work.

Accusations that Resource Center Matamoros was encouraging noncitizens to vote gained momentum after online posts displayed Spanish-language flyers instructing migrants to vote illegally for Biden once they arrived in the U.S.

The overcrowded Casa Migrante Matamoros is less a shelter than it is a temporary city, with tiny tents aligned in neat, endless rows.