The student, identified as a 15-year-old boy, died at the scene, officials said. Authorities said the high school will remain on lockdown while an investigation continues.
The former officer was indicted on two counts of aggravated assault by a public servant and one count of attempted murder.
Mayah Zamora got a hero's departure at the San Antonio hospital where she spent two months healing after the Uvalde school shooting.
"The first lady apologizes that her words conveyed anything but pure admiration and love for the Latino community," tweeted Dr. Jill Biden's spokesperson.
One of the suspects charged was trying to pass off as one of the migrants, but video later confirmed him as the driver, authorities said.
"I think it's going to really hit home for him when we finally get to see him and touch him," said Trevor Reed's father. View the first photos posted of him back home.
