"All the information we have is he's a good kid who has gone through some personal tragedies in his life that have pushed him over the edge."

--Salt Lake County Sheriff Aaron Kennard yesterday on 15-year-old Justin Allgood, a ninth-grade student who, wearing a cowboy hat and carrying a .357 Magnum revolver, hijacked his school bus yesterday, shot the driver, then led police on a high-speed chase before killing himself.