the kids are running. oh my god. get in, get in your room! get in your room! get in your room! get in your room! >> responding to one of the 911 calls, a school safety officer arrives in his vehicle, but drives right past the gunman. police initially report this officer, quote, engaged with the gunman. >> he attempted to enter the school, where he was engaged by law enforcement, and unfortunately, he was able to enter the premises. there was several law enforcement that engaged the suspect, but he was able to make entry into the school. >> that never happened. as surveillance images show, the gunman was able to enter the school parking lot, fire his rifle 27 times at the building and then walk inside.