Q: What weapon did the Navy Yard shooter take into the building? Some reports said it was an AR-15 while others said a shotgun and others a sawed-off shotgun. Can you shed light on this? If it was a shotgun, was it sawed-off or was it semi-automatic?

— Bob Sullivan, Canton

A: Aaron Alexis used a seven-shot, pump-action Remington 870 12-gauge shotgun that he bought in a gun store in Lorton, Va. He also bought two boxes of shells (24 total) two days before he killed 12 people at the Washington Navy Yard on Sept. 16. The shotgun's stock and barrel had both been sawed off, the FBI said. Alexis also used a 9 mm handgun he took from security guard Richard "Mike" Ridgell, who was killed during the attack. Alexis was killed by a U.S. Park Police officer, according to the FBI.

Q: DisABILITY LINK had a Doggie Day event last year. Do you know anything about this year’s event?

— Elisabeth Huhn, Decatur

A: This year's Doggie Day Fundraiser will be held from 10 a.m. to 2 p.m. on Oct. 26 at the First Baptist Church of Decatur. There is no charge, but donations are welcome through disABILITY LINK's website (disabilitylink.org/wordpress/) or at the event. To donate items to the silent auction or for more information, visit the website or call Barbara Adle at (404) 687-8890. This is the 20th anniversary of disABILITY LINK, which is "run by people with disabilities for people with disabilities," Adle said. She added that a line will begin forming at 11:30 a.m. for the blessing of the dogs.

Andy Johnston wrote this column. Do you have a question about the news? We’ll try to get the answer. Call 404-222-2002 or email q&a@ajc.com (include name, phone and city).

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