Startled, Brent sat there watching Jesse, who had an AR-15 in his hands.

In a video posted to Facebook, Williams said the active shooter had an AR-15.

This crew had an AR-15 and plenty of other firepower.

The shooter in Newtown also had an AR-15.

But you still wouldn't have an AR app.

Barnes had an AR-15 slung over his shoulder.

He had an AR-15, the semiautomatic, civilian version of the military M-16.