How does this play into the anti-gunner argument of "only law enforcement should have guns?"

Via Fox News:

Authorities in Southern California have had more than 300 weapons lost or stolen over the last five years.

The Orange County Register reported Sunday that an investigation of 134 state and local police agencies from Kern County to the Mexican border showed 329 firearms were lost or stolen and some were involved in crimes.

Some of the lost weapons include Glocks, Sig Sauers, Remington shotguns, rifles and even grenade launchers. The paper reported that officers have treated their weapons in a reckless manner. High-caliber firearms were stowed in backpacks and gym bags, while handguns were hidden in center consoles.

Read more here.