"Martha McSally supports the gun show loophole. McSally got a lot of money from the lobbyists who also support the gun show loophole," she says. "To McSally, it's just politics. To me, it's personal."
Gabby Giffords' gun control group runs ad to boost Ron Barber →
"My daughter was murdered with a gun, by a man with a criminal record. He bought the gun at a gun show without a background check. No questions asked," she says, speaking directly into the camera.