The shooter who attacked the Silver Rail Elementary School in Bend, Oregon, is dead. John Griffin, 16, used a shotgun, blasted open the locks on the doors to gain entry, and murdered a teacher and three children. A second teacher chucked her phone and tackled him, buying time. An armed bystander, Kaylub Giamanco, intervened and killed Griffin. Oregon already has universal background checks, a ghost gun ban, and safe storage laws. In fact, every gun control law pushed by anti-gun groups is codified here so these people can pipe down. Will Griffin’s mother be charged? She bought the shotgun around...