A Robb Elementary School employee triggered an internal alert system less than a minute before a gunman entered the building, according to the company that makes the alert system.
An officer walks outside of Robb Elementary School after a mass shooting occurred in Uvalde, Texas, on May 24, 2022.A Robb Elementary School employee triggered an internal alert system less than a minute before a gunman entered the building in Uvalde, Texas, andThe alert was initiated using a security app on the employee's mobile phone at 11:32:26 a.m. on May 24, a spokesperson for the company, Raptor Technologies, confirmed to ABC News Friday.
Robb Elementary School posted to Facebook at 11:43 a.m. that the campus had gone under lockdown "due to gunshots in the area." An officer walks outside of Robb Elementary School after a mass shooting occurred in Uvalde, Texas, on May 24, 2022.