Some deadly shootings at U.S. colleges or universities, listed by number of fatalities:
April 16, 2007
A gunman kills 32 people in a dorm and a classroom building at Virginia Tech in Blacksburg, Va. The suspect then dies by gunshot himself.
Aug. 1, 1966
Charles Whitman points a rifle from the observation deck of the University of Texas at Austins Tower and begins shooting in a homicidal rampage that goes on for 96 minutes. Sixteen people are killed, 31 wounded.
July 12, 1976
Edward Charles Allaway, a custodian in the library of California State University, Fullerton, fatally shoots seven fellow employees and wounds two others. Mentally ill, Allaway believed his colleagues were pornographers and were forcing his estranged wife to appear in their movies. A judge found him innocent by reason of insanity in 1977 after a jury was unable to reach a verdict and he was committed to the state mental health system.
Nov. 1, 1991
Gang Lu, 28, a graduate student in physics from China, reportedly upset because he was passed over for an academic honor, opens fire in two buildings on the University of Iowa campus. Five University of Iowa employees killed, including four members of the physics department, one other person is wounded. The student fatally shoots himself.
National guard troops at Kent State
Reuters via Corbis
May 4, 1970
Four students were killed and nine wounded by National Guard troops called in to quell anti-war protests on the campus of Kent State University in Ohio.
Oct. 28, 2002
Failing University of Arizona Nursing College student and Gulf War veteran Robert Flores, 40, walks into an instructors office and fatally shoots her. A few minutes later, armed with five guns, he enters one of his nursing classrooms and kills two more of his instructors before fatally shooting himself.
Sept. 2, 2006
Douglas W. Pennington, 49, kills himself and his two sons, Logan P. Pennington, 26, and Benjamin M. Pennington, 24, during a visit to the campus of Shepherd University in Shepherdstown, W.Va.
Jason R. Davis / AP
Jan. 16, 2002
Graduate student Peter Odighizuwa, 42, recently dismissed from Virginias Appalachian School of Law, returns to campus and kills the dean, a professor and a student before being tackled by students. The attack also wounds three female students.
Aug. 15, 1996
Frederick Martin Davidson, 36, a graduate engineering student at San Diego State, is defending his thesis before a faculty committee when he pulls out a handgun and kills three professors.
Jan. 26, 1995
Former law student Wendell Williamson shoots two men to death and injures a police officer in Chapel Hill, N.C.
April 2, 2007
University of Washington researcher Rebecca Griego, 26, is shot to death in her office by former boyfriend Jonathan Rowan who then turned the gun on himself.
Aug. 28, 2000
James Easton Kelly, 36, a University of Arkansas graduate student recently dropped from a doctoral program after a decade of study and John Locke, 67, the English professor overseeing his coursework, are shot to death in an apparent murder-suicide.