Oct. 1, 2015
Christopher Harper-Mercer, 26, killed nine people at Umpqua Community College in Oregon, where he was a student. He was armed with six guns, including a Glock pistol, a Smith & Wesson pistol, a Taurus pistol and a Del-Ton assault rifle, according to The Associated Press.
2008Mr. Harper-Mercer was in the Army for one month, but was discharged before completing basic training.
2009He graduated from the Switzer Learning Center in Torrance, Calif., which teaches students with learning disabilities and emotional issues.
Before shootingIn all, Mr. Harper-Mercer owned 14 firearms, all of which were bought legally through a federally licensed firearms dealer, a federal official said Friday. Some were bought by Mr. Harper-Mercer, and some by members of his family.
Oct. 1, 2015He killed nine people in Roseburg, Ore.