- Newtown, Connecticut. At least 27 people, including 18 children, were killed on Friday when at least one shooter opened fire at an elementary school in Newtown, Connecticut, CBS News reported, citing unnamed officials. Photo: AP December 14, 2012 Wikipedia
- Oikos University, Oakland: The Oikos University shooting occurred on April 2, 2012, when a gunman shot at people inside Oikos University, a Korean Christian college in Oakland, California, United States. Within a few hours, the number of reported fatalities reached seven. 43-year-old One L. Goh, a former student at the school, was taken into custody and identified as the suspect in the shootings. Along with the California State University, Fullerton massacre, this was the third-deadliest university shooting in United States history, after the Virginia Tech massacre and the University of Texas Clock Tower shooting and the sixth-deadliest U.S. school massacre overall. It was also the deadliest outburst of gun violence at a U.S. school since the 2007 Virginia Tech massacre in which 32 people were killed. Photo: AP April 02, 2012 Wikipedia
- Chardon: The Chardon High School shooting occurred on February 27, 2012, at Chardon High School in Chardon, Ohio, United States. It was the deadliest shooting in a public high school in the United States since 2005. Three students died within the two days following the incident. Two others were hospitalized: one of whom sustained several serious injuries requiring extensive rehabilitation, the other with a minor injury. A sixth student sustained a superficial wound. Photo: AP April 02, 2012 Wikipedia
- The Virginia Tech massacre was a school shooting that took place on April 16, 2007, on the campus of Virginia Polytechnic Institute and State University in Blacksburg, Virginia, United States. Seung-Hui Cho shot and killed 32 people and wounded 17 others in two separate attacks, approximately two hours apart, before committing suicide (another 6 people were injured escaping from classroom windows). The massacre is the deadliest shooting incident by a single gunman in U.S. history. It was also the worst act of mass murder of college students since Syracuse University lost 35 students in the bombing of Pan Am Flight 103. It is also the second-deadliest act of mass murder at a school campus in the United States, behind the Bath School bombing of 1927. Photo: AP December 08, 2011 Wikipedia
- Huntsville University, Alabama: At the University of Alabama in Huntsville (UA Huntsville) in Huntsville, Alabama, three people were killed and three others wounded in a shooting on February 12, 2010. During the course of a routine meeting of the biology department attended by approximately 12 individuals, a professor stood up and began shooting those closest to her with a 9-millimeter handgun. Amy Bishop, a biology professor at the university and the sole suspect, was charged with one count of capital murder and three counts of attempted murder. On September 11, 2012, Bishop pleaded guilty to the above charges in order to avoid the death penalty. The jury heard a condensed version of the evidence on September 24, 2012, as required by Alabama law. Amy Bishop was sentenced to life in prison without the possibility of parole on September 24, 2012. Photo: AP December 08, 2011 Wikipedia
- Columbine: The Columbine High School massacre (often known simply as Columbine) was a school shooting which occurred on April 20, 1999 at Columbine High School in Columbine, an unincorporated area of Jefferson County within the American State of Colorado. In the school shooting, two senior students named Eric Harris and Dylan Klebold murdered a total of 12 students and one teacher. They also injured 21 further students, with three other people being injured while attempting to escape the school. The pair then committed suicide. Photo: GETTY IMAGES December 08, 2011 Wikipedia
- Kent State: The Kent State shootingsalso known as the May 4 massacre or the Kent State massacreoccurred at Kent State University in the U.S. city of Kent, Ohio, and involved the shooting of unarmed college students by the Ohio National Guard on Monday, May 4, 1970. The guardsmen fired 67 rounds over a period of 13 seconds, killing four students and wounding nine others, one of whom suffered permanent paralysis. Photo: AP December 08, 2011 Wikipedia
Newtown, Connecticut. At least 27 people, including 18 children, were killed on Friday when at least one shooter opened fire at an elementary school in Newtown, Connecticut, CBS News reported, citing unnamed officials.