NBC has retracted the DEC 15 statement on the video. The weapon taken from the car was a shot gun, the shell casings collected were those from the rifle, and one of the kids interviewed at the scene, describes man carrying a rifle. The press made so many mistakes early on this is just another one.
REDSTATE.COM ..."The primary weapon used in the attack was a “Bushmaster AR-15 assault-type weapon,” said Connecticut State Police Lt. Paul Vance.
If you have a video link showing an AR-15 coming out of the parked car please provide it.