A South Texas school district is warning parents that U.S. Border Patrol agents may be checking the immigration status of students as they participate in extracurricular activities. On Wednesday, the Alice Independent School District sent out a letter alerting parents that agents may be boarding school buses to question students about their citizenship status.

Mexican troops arrived in Ciudad Juárez and Tijuana this week and will soon patrol 18 cities near the Mexico-U.S. border.

Mexican soldiers are deployed along the U.S.-Mexico border following deal after Trump threatened tariffs against Mexico.

"It's going to get more complicated the way we see it, especially human rights for those who are simply looking for an opportunity to benefit their lives," said García Lara. "There have been many instances where soldiers are simply looking for migrants to prey on.