Prevent further tragedies of mass killings by people carrying semi-automatic weapons.
12/7/1993 Colin Ferguson kills 6 and injures 19 on the Long Island Railroad in Garden City, N.Y.
3/24/1998 Two middle school students (ages 13 & 11) kill 5 and injure 10 at their middle school in Jonesboro, AK.
4/20/1999 Eric Harris and Dylan Klebold kill 13 and injure 24 at Columbine High, in Columbine, CO.
7/29/1999 Mark Barton kills 9 and injures 12 at an investment office in Atlanta, GA.
9/15/1999 Larry Gene Ashbrook kills 7 and injures 7 at the Wedgewood Baptist Church in Fort Worth, TX.
12/26/2000 Michael McDermott kills 7 at an Internet consulting firm in Wakefield, MA.
3/5/2001 Charles Andrew Williams, 15, kills 2 and injures 13 at Santana High School.
7/8/2003 Doug Williams kills 5 and injures 9 at Lockheed Martin in Meridian, Miss.
3/21/2005 Jeffrey Weise, 16, kills 9 and injures 7 at Red Lake High School, Red Lake Indian Reservation, Minn.
10/2/2006 Charles Carl Roberts kills 5 young Amish girls and injures 5 others in Nickel Mines, PA.
2/12/2007 Sulejman Talovic kills 5 and injures 4 at a Salt Lake City shopping Mall in Salt Lake City.
4/16/2007 Seung-hui Cho kills 32 and injures 17 at Virginia Tech. Blacksburg, VA.
12/5/2007 Robert Hawkins kills 8 and injures 4 at an Omaha shopping mall, Omaha, NE.
2/14/2008 Steven Kazmierczak kills 5 and injures 16 at a geology class at Northern Illinois University, Dekalb, Illinois.
4/3/2009 Jiverly Voong kills 13 and injures 4 at the American Civic Association in Binghamton, NY.
11/5/2009 Maj. Nidal Malik Hasan, an Army psychologist kills 13 and injures 32 at Fort Hood, Texas.
8/3/2010 Omar Thornton kills 8 and injures 2 at Hartford Distributors, Manchester, CT.
1/8/2011 Jared Lee Loughner kills 6 and injures 11 including Rep. Gabrielle Giffords in Tucson, AZ.
10/12/2011 Scott Dekraai kills 8 and injures 1 at a Seal Beach hair salon in Seal Beach, CA.
4/2/2012 One L. Goh kills 7 and injures 3 at Oikos University, a small Christian college in Oakland, CA.
7/20/2012 James Holmes kills 12 and injures 58 at a movie theatre in Aurora, CO.
8/5/2012 Wade Michael Page kills 6 and injures 3 at a Sikh temple in Oak Creek, WI.
9/28/2012 Andrew Engeldinger kills 5 and injures 4 at a sign company office in Minneapolis, Minn.
12/14/2012 Shooting at an elementary school in Newtown, CT. 27 killed including 20 first graders.