And the U.S. military "did not have ammunition" when he "took over," he explained.
No shots were fired, but a police lieutenant said that the man's "intent obviously was to cause chaos."
Although it is not illegal to bring ammunition on school grounds, the teacher will face charges for improperly securing his guns at home.
The changes at Fred Meyer superstores follow similar announcements by other major retailers.
The accused gunman left a rifle and 180 rounds of ammunition in the school, officials said.
LA's City Council voted unanimously to ban possession of high capacity gun magazines.
According to military and civil police records, 3,989 firearms were collected in the first five months of 2015. Of these, roughly 80 percent were handguns.
Whether they know it or not, the ATF's decision to shelve its new armor-piercing guideline is actually a victory for all of us who want laws to be reasonable, responsible and fashioned to reflect both reality plus a dose of good old common sense.
The gun-sense community had to know that the ATF's decision to withdraw the exemption for all uses of this ammo would be construed, rightfully, as a ban. Want to take the short odds on the ATF in this argument? I don't.
The gun industry knew this new breed of assault pistol could trigger restrictions on specific types of ammunition that are considered armor-piercing when used in a handgun, but it moved ahead anyway, driven by the need to create new, militarized market categories in the face of declining household gun ownership. Now they are attempting to rewrite history.