KSAT's Erica Hernandez breaks down ex-Uvalde CISD officer's trial ahead of Day 1

After a lengthy Monday morning and evening of jury selection, an ex-Uvalde school district police officer accused of endangering dozens of children during the 2022 Robb Elementary School shooting will officially stand trial on Tuesday. Adrian Gonzales, 52, is one of two now-former Uvalde Consolidated Independent School District police officers charged with child endangerment regarding the law enforcement response to the deadliest school shooting in Texas history.  Gonzales is facing 29 child endangerment charges: 19 represent the children killed in the shooting, and the other 10 represent the children injured in the shooting.