But at 9:42 a.m., just as I was getting ready to head to the landing zone for Marine Two, a fourteen-year-old in Barrow County, Georgia, texted his father: I’m sorry, it’s not ur fault. And then, to his mother, a second text: I’m sorry. By 10:30 a.m., he had shot eleven people at Apalachee High School, where he was a freshman. He had killed Mason Schermerhorn and Christian Angulo, both aged fourteen; a math teacher named Cristina Irimie; and a math teacher and assistant football coach, Richard Aspinwall.

