Hospitals near Aurora, Colorado, were flooded with victims after a movie theater shooting Friday morning.
A 17-year-old accused in a high school shooting that left three dead in Ohio is scheduled to appear in court Friday.
Oakland is reeling after a gun rampage at a small religious college left seven people dead. Six months ago, eight people died in a shooting in Seal Beach, California. And just over a year ago, an attack targeting Rep. Gabrielle Giffords in Arizona left six dead and 13 injured.
Seven people died and at least two others were wounded in a shooting at a California college. CNN's Dan Simon reports.
On April 16, 2007, Cho Seung-Hui went on a deadly shooting spree killing 32 people on the campus of Virginia Tech.
A judge has sided with Virginia Tech and overturned a $55,000 fine, ruling that the school did not violate a law requiring it to notify students in a "timely manner" about threats during a 2007 campus rampage.
Finnish authorities arrested a man Friday after he fired six shots through a school classroom door and shot an office worker in the hand in two separate incidents, police said.
A man who survived the April 2007 massacre at Virginia Tech says not enough is being done to keep guns out of the hands of people like the shooter even as a jury found the university failed to warn students earlier that a gunman was on campus.
T.J. Lane is charged with three counts of aggravated murder and other charges in connection to the school shootings.
Family and friends of 16-year-old Demetrius C. Hewlin, one of three students killed in an Ohio school shooting, were preparing Monday to say their final goodbyes.
Family and friends of 16-year-old Daniel Parmertor, one of three students killed in an Ohio school shooting, said their final goodbyes Saturday as he was laid to rest.
A funeral service is planned Saturday for 16-year-old Daniel Parmertor, one of three students killed in an Ohio high school shooting.
For students, parents and teachers in Chardon, Ohio, the week has been a disorienting one after a high school shooting left three teenagers dead.
Brian Ries, social media editor for Newsweek/Daily Beast, on how students used Twitter during the Chardon school shooting.
CNN's Ted Rowlands details the weapon used in Monday's shooting at Chardon High School.
It took two teenage suicide cases due to school bullying last year in South Korea for people to notice something was very wrong.
Two students were in custody Tuesday in connection with a shooting outside a North Carolina high school in which another student was injured, police said.
Two people accused of posting false rumors on social media about school attacks in eastern Mexico walked free Wednesday after authorities dropped terrorism charges against them.
A tip to Tampa Police about a plot to bomb a high school leads to the arrest of a teen.
Norwegian massacre suspect Anders Behring Breivik's purported 1,500-page manifesto paints a picture of a deliberative, driven killer -- not a rambling crazy person, criminologists said Tuesday.
Colorado police arrest a man suspected of attempting to bomb a mall in Boulder during the anniversary of Columbine.
Virginia Tech is appealing the $55,000 it was fined by the federal government for failing to provide a timely warning about a shooter on the loose in 2007, the Virginia attorney general said Wednesday.
How good is a good teacher? The answer is three times better than a bad one. Education Contributor Steve Perry explains.
A pair of homemade videos of the gunman who killed 12 students at a Rio de Janeiro school last week reveals an outcast whose rampage may have been triggered by bullying.
Two men have been arrested in Brazil for allegedly selling a weapon to the gunman who opened fire at a Rio de Janeiro school last week, killing 12 students before turning the gun on himself.
Police arrest a suspect after a college shooting leaves one dead and three others injured.
One person was killed and three others, including a woman in her 90s and a 4-year-old child, were injured Wednesday in a shooting on the campus of Southern Union Community College in Opelika, Alabama, police said.
Police arrest a custodial employee in connection with shooting and killing a California elementary school principal.
Twenty-two-year-old Jared Lee Loughner is the latest in a long line of young men to capture infamy. Mercifully, his name, though never the deed, will soon be forgotten.
In 2007 CNN's Brian Todd reports on details of Cho Seung-hui's deadly barrage at Virginia Tech.
After hearing that legislators in Texas and perhaps other states will again try to change the law to force colleges to allow students to bring loaded concealed weapons into classrooms, I would like to share my point of view as someone who has experienced gun violence in a class firsthand.
A principal and vice principal of a school in Nebraska were shot by a student. KETV reports.
On April 16, 2007, iReporter Jamal Albarghouti captured audio of the Virginia Tech shooting as it happened.
In a bid to bring the life-saving emergency service 911 into the 21st century, the FCC is looking at letting citizens report crimes through text messages and even stream video from their mobile phones to emergency centers.
Classes were cancelled Monday at Mid-Atlantic Christian University in eastern North Carolina after a student was shot and killed on campus, according to a statement from the school.
Parents wait anxiously outside a South Carolina school for evacuated students after shots are fired. WPDE reports.
A Chinese court sentenced a man to death Friday for injuring 16 primary school children and a teacher with a knife, state media reported. The attack took place in late April.
Liang Chao was a typical farmer's son who migrated to the city seeking a better life. He seemed to have found it in Shenzhen, a booming city in southern China, where he worked at Foxconn, a company better known for producing components for Apple, Dell, Hewlett-Packard and other companies.
University officials from Virginia Tech on Tuesday disputed a U.S. Department of Education report that found the school in violation of a federal campus security law the day a student killed 32 people in an April 2007 shooting rampage.
March 23: A man stabs eight students to death and wounds five others at an elementary school in Fujian province. The attacker, a former community doctor, was executed.
A court in eastern China sentenced a man to death Saturday for attacking 29 kindergarten students and three teachers with a knife, state-run media said.