Officer James Waselkow, a veteran of the war in Afghanistan, says he never expected to see such severe wounds inside the United States.
When he walked up to the theater, he noticed a rifle on the ground.
He remains incredibly proud of the work his fellow officers did that night.
If you can't see the video, click here.
Hear from eight of the responding police officers who ran in to Theater 9 the night of July 20, 2012, along with so many others, to help rescue the wounded and subdue the shooter. Our story on their story airs Wednesday, July 19, at 9 p.m. and 10 p.m.