A gunman carrying a high powered rifle was apprehended outside Deer Creek Middle School in Littleton, Colorado today, but not before he fired shots that wounded two young students. The man was pursued and taken down by the school's math teacher. The 32-year old gunman has a long criminal history. The event occurred at 3:05 PM just at the time students were boarding buses and leaving for home. Read more at cbs4denver.com.