Updated Sunday, December 16, 2012 at 02:30 PM
Some school shootings in Washington state:
February 2012: 8-year-old Amina Kocer-Bowman was critically injured at Armin Jahr Elementary School in Bremerton when a gun in a classmate's backpack went off.
September 2011: 51-year-old Ronald Flicker was killed in a shootout with police on the grounds of Clark Elementary School in Issaquah.
February 2010: 30-year-old Jed Waits, of Ellensburg, stalked and fatally shot Jennifer Paulson, a special-education teacher at Birney Elementary School in Tacoma. Waits later died of a self-inflicted gunshot wound.
October 2008:15-year-old Quincy Coleman was shot and killed behind Garfield High School in Seattle. A 20-year-old was later charged with murder.
April 2007: Stalker Jonathan Rowan shot and killed his ex-girlfriend Rebecca Griego in her office at the University of Washington before killing himself.
January 2007: Douglas Chanthabouly fatally shot fellow student Samnang Kok in a hallway before the start of classes at Tacoma's Foss High School. Chanthabouly was convicted of second-degree murder and sentenced to more than 23 years in prison.
February 1996: At Frontier Middle School in Moses Lake, two students and one teacher were killed and another student was wounded when 14-year-old Barry Loukaitis opened fire on his algebra class. He is serving a life sentence.
March 1994: 16-year-old Melissa "Missie" Fernandes was killed in a gang-related drive-by shooting at Ballard High School in Seattle. Three men were convicted.
January 1994: Neal Summers, a teacher at Whitman Middle School in North Seattle, was shot in the back and killed by Darrell Cloud, a former student who had been abused by Summers for years. Cloud served nine years in prison and later received a $250,000 settlement in a suit against Seattle Schools, saying Summers wasn't adequately supervised.