The mother of the Oregon college shooter wrote that she was a gun enthusiast in online postings years ago, NBC News reported.
"I keep all my mags full. I keep two full mags in my Glock case. And the ARs & AKs all have loaded mags," Laurel Harper wrote in a posting on Yahoo! Answers, referring to magazines of ammunition, a Glock handgun and military-style rifles.
She also wrote that her son, Christopher Harper-Mercer had a form of autism. Harper-Mercer, 26, shot and killed himself after going on a shooting rampage at Umpqua Community College in Roseburg, Oregon on Thursday, authorities have said.
Laurel Harper did not return calls to NBC News.
