Mourners pray for the 12 victims of the Borderline Bar shooting (Getty Images)
Cell phone footage from last night's tragedy at the Borderline Bar & Grill in Thousand Oaks, CA has now found its way online.
In the clip, you can hear some 10-15 shots ring out. But keep in mind: this clip occurred after the initial shooting, and the shots heard were those which were aimed at killing the wounded.
WARNING: Clip includes audio which some might find disturbing
Read more over at CBS News.