Oregon gunman fired shotgun at pickup truck before storming into school and killing three children ages 5, 8 and 11 and teacher

The teenage gunman who shot and killed three children and a teacher at an Oregon elementary school on Thursday opened fire at a pickup truck before storming into the school, witnesses say. The unidentified 16-year-old was carrying a shotgun when a man in a red Toyota Tacoma pickup truck idling in Silver Rail Elementary School's parking lot noticed he was heading toward the school, The Source reported. Concerned by what he was seeing, the driver then decided to confront the teenager, who in turn fired numerous shots at the civilian and his truck, shattering a rear window and leaving six...