The "Charleston loophole" allows a prospective gun buyer to walk away with his gun after three business days, even if the background check hasn't been completed.
The devices that speed up semi-automatic guns were all over Stephen Paddock's hotel room. With Congress considering a ban, they're a suddenly hot commodity.
With anxiety swirling about Hillary Clinton's expected win in the presidential race, gun dealers reported a spike in sales of assault weapons.
Who benefits from the endless cycles of sadness, anger, and partisanship that follow mass shootings in America? Just follow the money.
Random gunmen, the Islamic State, the cold dead universe, our own families, and other things that we can't stop worrying about.