I wish I could answer your question, but I can't. If I had to bet a nickel, I'd wager he most likely owned guns before his accident, but I'm just speculating.

The local newspaper - the Biloxi Sun Herald - is reporting that Mount (the shooter) was struck by a car in 2002. He lost a limb, and according the paper, suffered a traumatic brain injury.

According the local newspaper, authorities have not been able to notify next of kin. That's why her complete name has not been released officially.