A nurse in the facility where the shooting has occurred had no clue she was recording the cops entering the scene at the site of the San Bernardino shooting. The first wave were 3 cops and then 5 followed:

Here’s a snapchat video with the sounds of the shooting:

We just received this AUDIO capturing some of the gun battle sent by a witness on #snapchat. #SanBernardino pic.twitter.com/xE4546XHDs

— Gadi Schwartz (@GadiNBCLA) December 3, 2015