Here's a look at rampage killings that have occurred in the United States since the 1940s.
U.S. Timeline (selected only) Includes incidents on college and university campuses as well as other public places. For incidents in K-12 schools, see U.S. School Violence Fast Facts. See also 25 Deadliest Mass Shootings in U.S. History Fast Facts.
2014 May 23, 2014 - Six people are killed near the University of California, Santa Barbara campus, by student Elliot Rodger. The gunman later dies of an apparent self-inflicted gunshot wound.
2013 September 16, 2013 - Twelve people are killed inside the Navy Yard in Washington, DC. The shooter, identified as Aaron Alexis, 34, is also killed.
June 7, 2013 - As many as six people are killed in a random shooting rampage in Santa Monica, California, that ends in the library of Santa Monica College with the gunman dead. John Zawahri, 23, uses a rifle that the police describe as an AR-15 style gun.
2012 August 5, 2012 - Six people are killed and four wounded when Wade Michael Page, 40, opens fire with a Springfield 9mm semi-automatic handgun at a Sikh temple in Oak Creek, Wisconsin. According to the FBI, Page died from a self-inflicted gunshot wound to the head after he was shot in the stomach by a responding officer.
July 20, 2012 - Twelve people are killed and 58 are wounded in a shooting at an Aurora, Colorado, movie theater screening of the new Batman film. James E. Holmes, 24, is taken into custody outside of the movie theater. Holmes was dressed head-to-toe in protective tactical gear, set off two devices of some kind before spraying the theater with bullets from an AR-15 rifle, a 12-gauge shotgun and at least one of two .40-caliber handguns police recovered at the scene.
April 2, 2012 - Seven people are killed and three others injured during a shooting at Oikos University in East Oakland. The suspect One Goh, 43, allegededly walks into an Oikos University classroom, lines up students against a wall and using a .45 caliber handgun, shoots them one by one. After the shooting, Goh supposedly leaves the classroom, reloads his semi-automatic weapon, and then returns. The rampage ends with the suspect driving off in a victim's car and surrendering to police a short time later. On April 30, 2012 Goh pleads not guilty to seven counts of murder and three counts of attempted murder.
2011 October 12, 2011 - Eight people are killed during a shooting at the Salon Meritage in Seal Beach, California. The suspect, Scott Evans Dekraai, 41, of Huntington Beach, is arrested without incident as he is trying to leave the scene. The eight dead include Dekraai's ex-wife, Michelle Fournier, 48. He was armed with three guns -- a 9 mm Springfield, a Smith & Wesson .44 Magnum, and a Heckler & Koch .45 -- and was wearing body armor during the shooting rampage.
January 8, 2011 - Jared Lee Loughner, armed with a Glock pistol, kills six people and wounds 13 others at a "Congress on Your Corner" event sponsored by Rep. Gabrielle Giffords (D) at a local grocery store. Giffords is shot in the head, but survives. Loughner is charged with one count of attempting to kill a member of Congress, two counts of first degree murder and two counts of attempted murder. On August 7, 2012 Loughner pleads guilty to 19 charges in exchange for the government not seeking the death penalty.
2010 August 3, 2010 - Manchester, Connecticut - Omar Thornton kills eight co-workers at Hartford Distributors before turning the gun on himself. Thornton had been asked to resign for stealing and selling alcoholic beverages.
February 12, 2010 - University of Alabama - Huntsville professor Amy Bishop Anderson, 42, shoots six colleagues during a meeting, killing three. She is charged with capital murder and three counts of attempted murder. On September 11, 2012 Anderson accepts an agreement with the state and pleads guilty to three counts of attempted murder and agrees to later plead guilty to a capital murder charge.
January 19, 2010 - Christopher Speight, 39, kills eight people at a house in Appomattox, Virginia. He surrenders to police at the scene the next morning. February 2013 he's sentenced to five life terms plus 18 years.
January 7, 2010 - Eight employees are shot, and three killed at the ABB plant in St. Louis. The gunman, who dies after turning the gun on himself, is identified as Timothy Hendron.
2009 November 5, 2009 - Maj. Nidal Malik Hasan kills 13 people and injures 32 at Fort Hood, Texas, during a shooting rampage. He is charged with 13 counts of pre-meditated murder and 32 counts of attempted murder.
April 3, 2009 - In Binghamton, New York, Jiverly Wong kills 13 people and injures four during a shooting at an immigrant community center. He then kills himself.
March 29, 2009 - In Carthage, North Carolina, 45-year-old Robert Stewart kills a nurse and seven elderly patients at a nursing home. In May, the Moore County district attorney announces she will seek the death penalty. On September 3, 2011, a jury finds Stewart guilty of second-degree murder. Stewart is sentenced to 141 to 179 years in prison.
March 10, 2009 - In Alabama, Michael McLendon of Kinston, kills 10 and himself. The dead include his mother, grandparents, aunt and uncle.
2008 September 2, 2008 - In Skagit County, Washington, 28-year-old Isaac Zamora, who has a long criminal history and is out on parole, allegedly kills five civilians and a police officer during a two hour rampage. Zamora is sentenced in November 2008 to a life term at the state mental hospital.
February 14, 2008 - Northern Illinois University, Dekalb, Illinois. 27-year-old Steven Kazmierczak shoots and kills five people in a lecture hall before taking his own life.
February 7, 2008 - In Kirkwood, Missouri, Charles Lee Thornton shoots and kills five people at a city council meeting before being shot dead by police.
2007 December 9, 2007 - In Colorado, 24-year-old Matthew Murray shoots and kills four people in two separate attacks. The first attack, in Arvada, happens late at night, after a Christmas banquet at the Youth with a Mission religious complex. Two people are killed. Hours later, at New Life Church in Colorado Springs, Murray kills two teen girls in a parking lot. A security guard shoots Murray several times, but police rule his death a suicide.
December 5, 2007 - In Omaha, Nebraska, 19-year-old Robert Hawkins goes to an area mall and kills eight shoppers before killing himself.
April 16, 2007 - Virginia Tech in Blacksburg, Virginia. A gunman, 23-year-old student Seung-Hui Cho, apparently acting alone goes on a shooting spree killing 32 people in two locations and wounds an undetermined number of others on campus. The shooter, Seung-Hui Cho then committed suicide.
February 12, 2007 - In Salt Lake City, Utah, 18 year old Sulejmen Talovic goes to a local mall and kills five people and injures four more. He is then killed by police.