Raleigh mass shooting: 911 call audio reveals horrifying moments teen gunman opens fire

Police 911 call audio obtained by Fox News Digital sheds light on the horror that unfolded in Raleigh, North Carolina, on Thursday. 

"[UNINTELLIGIBLE] just came through with a shotgun and shot my buddy. Get here ASAP," a distraught man can be heard telling a police dispatcher, as screaming is heard in the background. "It’s an officer … he works for you."

The dispatcher asks: "You said it’s an officer?"

The audio files were provided to Fox News Digital in response to a public records request. During the same 911 conversation, the caller adds: "It’s an off-duty officer."

"He shot him for no reason," the caller says. "Active shooter. Active shooter."