School shootings in the United States:
- Jan. 16, 2002: Peter Odighizuwa, 43, an expelled law student at the Appalachian School of Law in Grundy, Va., shot and killed the dean of the school, a professor and a student, and injured three other people.
- Oct. 28, 2002: Robert S. Flores, 41, a student at the University of Arizona College of Nursing in Tuscon, Ariz., killed three people before turning the gun on himself.
- March 21, 2005: On an Indian reservation in Red Lake, Minn., 16-year-old Jeffrey Weise killed his grandfather and his grandfather’s girlfriend before driving to his high school, where he shot dead seven others.
- Oct. 2, 2006: Charles Carl Roberts IV shot 10 girls at West Nickel Mines School, an Amish one-room schoolhouse in Nickel Mines, Pa., killing five.
- Feb. 14, 2008: Steven Kazmierczak returned to his former campus at Northern Illinois University in Dekalb, Mich., where he killed five people before turning the gun on himself.
- Feb. 12, 2010: Three people were killed and three others wounded when Amy Bishop, a biology professor, opened fire at the University of Alabama in Huntsville.
- Feb. 27, 2012: Thomas “T.J.” Lane, 17, shot five of his fellow students at a school in Chardon, Ohio. Three of them died within two days following the shooting.
- April 2, 2012: Former student One L. Goh, 43, killed seven people at Oikos University, a private Korean Christian college in Oakland, Calif.