Terrifying History on Instagram: "On 24 May 2022, at 11:33:05 local time, the gunman from the Uvalde school shooting was captured on hallway surveillance footage moving towards classrooms 111 and 112 at Robb Elementary School while whistling. The timestamp, visible in the released video, marks a chilling moment just before he entered the adjoining classrooms where he killed 19 students and two teachers. During the 77-minute ordeal inside the classrooms, a surviving 11-year-old student, Samuel, l