Mass shootings since Columbine High School:
April 1999 - Two teenage students shot and killed 12 classmates and a teacher at Columbine High School in Littleton, Colorado, before committing suicide.
July 1999 - A stock exchange trader in Atlanta, Georgia, killed 12 people including his wife and two children before taking his own life.
September 1999 - A gunman opened fire at a prayer service in Fort Worth, Texas, …show more content…
March 2005 - A man opened fire at a church service in Brookfield, Wisconsin, killing seven people.
October 2006 - A truck driver killed five schoolgirls and seriously wounded six others in a school in Nickel Mines, Pennsylvania before taking his own life.
April 2007 - Student Seung-Hui Cho shot and killed 32 people and wounded 15 others at Virginia Tech in Blacksburg, Virginia, before shooting himself, making it the deadliest mass shooting in the United States after 2000.
August 2007 - Three Delaware State University students were shot and killed in “execution style” by a 28-year-old and two 15-year-old boys. A fourth student was shot and stabbed.
December 2007 - A 20-year-old man killed nine people and injured five others in a shopping centre in Omaha, Nebraska.
December 2007 - A woman and her boyfriend shot dead six members of her family on Christmas Eve in Carnation, Washington.
February 2008 - A shooter who is still at large tied up and shot six women at a suburban clothing store in Chicago, leaving five of them dead and the remaining one