On cam: Cops waited in hallway as gunman fired at kids inside Texas school

If the Texas school shooting was not traumatic enough, this new video released by a local newspaper will send chills down your spine. The surveillance camera video shows how the gunman fired 100 rounds of shots as cops waited in the hallway while more reinforcements arrived, including officers armed with semi-automatic weapons and ballistic shields. The video shows how several police officers were present on the spot as the shooter killed 19 students & 2 teachers. The officers eventually stormed the classroom after one hour and 14 minutes and killed the gunman. Watch this shocking truth of America's worst school shooting in a decade.