The L.A. County Sheriff's Department agreed to a settlement with the DOJ and will speed up licensing for eligible Californians wishing to carry concealed handguns in public.
A Michigan officer nearly shot a student playing a "water wars" game, the school district said.
In 1927, Congress passed a law barring the USPS from mailing concealable firearms unless they were from licensed dealers in an effort to curb crime.
Trump's Republican administration alleges the ban violates the Constitution's Second Amendment right to bear arms.
Pirro said there is evidence that buckshot from a shotgun carried by alleged White House Correspondents' Dinner attacker was "intertwined with the fiber" of a bulletproof vest worn by a Secret Service officer.
The first count of attempting to assassinate the president carries a maximum sentence of life in prison if convicted.