Griffin J. John II, 16, entered Silver Rail Elementary School in Bend, Oregon, on Thursday and shot his way through locked doors with a 12-gauge shotgun, targeting a special-needs classroom where he had once been a student. Three children — aged five, eight, and 11 — and teacher Meghan Lambert, 25, were killed. A seven-year-old child and a 54-year-old teacher remain in critical condition. Police Chief Mike Krantz said John fired approximately 15 rounds and had 44 remaining when he was killed. A teacher threw her phone at the gunman and then tackled him — an act Krantz called heroic that likely saved lives. Minutes later, Kaylub Giamanco, 36, a father of two students at the school, followed the shooter inside and shot him dead. Police are still investigating how the teenager obtained the weapon. Under Oregon law, a minor may possess a shotgun if provided by a parent or with parental consent. The shooting is the 28th mass killing in the United States this year, according to a database maintained by the Associated Press, USA Today, and Northeastern University. The Gun Violence Archive has documented 369 mass shootings in 2026. Everytown for Gun Safety has counted at least 100 incidents of gunfire on school grounds this year, resulting in 34 deaths. President Trump called Giamanco a "great hero" and remarked, "It's a terrible thing, but thank goodness for a man that had a gun and knew how to use it." The framing is now familiar: the policy response to school shootings is not prevention but armed intervention after the killing begins. Locked doors did not stop the shooter. A teacher's body did, temporarily. A parent's gun ended it — after four people were already dead. The shooter's mother, Shauntai Nickerson, told reporters outside her apartment: "I'm so sorry, I wish I could have done something." Bend-La Pine Schools Superintendent Steven Cook confirmed John was not enrolled in the local public school system at the time but had been a special-needs student in the very classroom he attacked. The specificity of the target — his former classroom, his former peers — raises questions about what interventions, if any, were in place after he left the school system. The structural pattern is now decades old and self-reinforcing. Permissive access laws allow minors to possess firearms. School security measures (locked doors, protocols) slow but do not stop determined attackers. The absence of federal legislative movement means each incident is absorbed into the statistical baseline — 369 mass shootings in ten months — rather than treated as a systemic failure demanding systemic change. The armed-bystander resolution, celebrated by the White House, becomes the de facto policy: accept the casualties, praise the responder. What remains unexamined is the upstream failure. A former student, a minor, known to the school's special-needs system, obtained a shotgun and returned to his former classroom. Every node in the chain — mental health monitoring after departure from the school system, parental firearm storage, threat assessment protocols — either failed or did not exist. The 44 unfired rounds tell you this was not an impulse. The five-year-old victim tells you what the cost of structural inaction looks like.