From what I gather, this is begin to sound like a case of of Bi-Polar Mall Ninja that actually slipped past LEO Pschy screening and popped a gasket. One bad scene.
G - Guns, PG - Plenty of Guns, PG-13 - More than 13 Guns.
"Though defensive violence will always be 'a sad necessity' in the eyes of men of principle, it would be still more unfortunate if wrongdoers should dominate just men." - St. Augustine