AURORA, Colo. (ABC 4 News) - Twelve people were killed and 58 were injured in a shooting in a suburban movie theater outside of Denver, Colorado.
Hundreds packed the Century 16 movie theater in Aurora, Colorado for a sold-out midnight premier of the new Batman movie "The Dark Knight Rises" when
24-year-old James Holmes allegedly came in the emergency exit of the theater and begin firing into the crowd.
The number of victims makes the incident the largest mass shooting in United States history.
The radio transmissions recording between emergency responders is available below. The recording begins with the initial call for police to go to the theater and covers the rescue process as hundreds streamed from the theater.
Warning: The recording is very graphic and may be upsetting. 
