April 1999 - Two teenage schoolboys shot
and killed 12 schoolmates and a teacher at Columbine High School in Littleton,
Colorado, before killing themselves.
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, killing six people before committing suicide.
October 2002 - A series of sniper-style shootings
occurred in Washington DC, leaving 10 dead.
August 2003 - In Chicago, a laid-off worker shot
and killed six of his former workmates.
November 2004 - In Birchwood, Wisconsin, a hunter
killed six other hunters and wounded two others after an argument with them.
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 injured.
February 2008 - A man opened fire in a lecture hall at
Northern Illinois University in DeKalb, Illinois, killing five students and
wounding 16 others before laying down his weapon and surrendering.
July 2008 – A former student shot three people in a
computer lab at South Mountain Community College, Phoenix, Arizona.
September 2008 - a mentally ill man who was released
from jail one month earlier shot eight people in Alger, Washington, leaving six
of them dead and the rest two wounded.
October 2008 - Several men in a car drove up to a
dormitory at the University of Central Arkansas and opened fire, killing two
students and injuring a third person.
December 2008 - A man dressed in a Santa Claus suit
opened fire at a family Christmas party in Covina, California, then set fire on
the house and killed himself. Police later found nine people dead in the debris
of the house.
March 2009 - A 28-year-old laid-off worker opened
fire while driving a car through several towns in Alabama, killing 10 people.
March 2009 - A heavily-armed gunman shot dead
eight people, many of them elderly and sick people, in a private-owned nursing
home in North Carolina.
March 2009 - Six people were shot dead in a high-grade
apartment building in Santa Clara, California.
April 2009 – An 18-year-old former student
followed a pizza deliveryman into his old dormitory, and shot the deliveryman,
a dorm monitor, and himself at Hampton University, Virginia.
April 2009 - A man shot dead 13 people at a civic
center in Binghamton, New York.
July 2009 - Six people, including one student,
were shot in a drive-by shooting at a community rally on the campus of Texas
Southern University, Houston.
November 2009 - US army psychologist Major Nidal Hasan
opened fire at a military base in Fort Hood, Texas, leaving 13 dead and 42
others wounded.
February 2010 – A professor opened fire 50
minutes into at a Biological Sciences Department faculty meeting at the
University of Alabama, killing three colleagues and wounding three others
January 2011 - a gunman opened fire at a public
gathering outside a grocery in Tuscon, Arizona, killing six people including a
nine-year-old girl and wounding at least 12 others. Congresswoman Gabrielle
Giffords was severely injured with a gunshot to the head.
July 2012 - Masked gunman James Holmes opens
fire at
midnight cinema screen of new Batman film The Dark Knight Rises,
killing 12 and injuring 58.
August 2012 - Gunman
kills six people at SIkh temple in Wisconsin before being shot
dead by police. Suspect is named as white supremacists Wade Michael Page.
September 2012 – Employee kills five coworkers and himself at Accent
Signage in Minneapolis. [added
by WP]
December 2012 - Adam Lanza, 20, forces his way into Sandy
Hook Elementary School in Newtown, Connecticut. He kills 20 first-graders and
six adults. Before arriving at the school, he had killed his mother at their
home.
June 2013 - John Zawahri, an unemployed
23-year-old, kills five people in a rampage which begins at his father home and
ends in Santa Monica College's library.
September 2013 - Aaron Alexis, a Navy contractor and
former Navy man, engages police in a running firefight in the Washington D.C.
industrial complex before being shot and killed. Thirteen people were killed
and three injured.
May 2014 - Elliot Rodger opens fire in the
campus town of Isla Vista, California from inside a black BMW, killing seven
people. Rodgers acted alone and written and video evidence suggest the attack
is premeditated.
June 2015 - White supremacist, Dylann Roof,
begins shooting in a historic black church in an attempt to start a race-war.
He kills nine people.
August 2015 - Vester Lee Flanagan II aka Bryce
Williams shoots dead two former colleagues from the WDBJ7 news team.
October 2015 - Ten people were killed when a
gunman opened fire at Oregon's Umpqua Community College. [added by WP]