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Active Shooter

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All sworn personnel were required to participate, with ranking officers randomly mixed into each team
These shootings show just how difficult it can be for law enforcement to stop a highly mobile killer
Police executives have collectively failed to teach officers how to assess a mass casualty threat and, more important, what to do about it
A 911 caller led police to an Oviedo subdivision Friday morning after falsely reporting that a shooter armed with an AR-15 rifle shot and killed someone
At the annual meeting of the National Association of School Resource Officers last week, police trained for active shooter scenarios
Defendant James Holmes had been scheduled go on trial in October, but the judge ordered a delay
Police are looking for a gunman after one person was shot in the shoulder at a Las Vegas mall
The contract security guard who was monitoring the surveillance videos locked the door to the control room and didn’t contact law enforcement
Connecticut State Police honored more than 300 people, including state and local police, firefighters, emergency dispatchers, paramedics, psychiatrists and forensic examiners
As officials across the country grapple with how to prevent mass killings, some are turning to a gun seizure law pioneered in Conn. 15 years ago
12-year-old boy opened fire in a middle school gym earlier this year
Father of the young man who killed six and injured 13 near UCSB last month says it’s his “duty” to help prevent future mass killings
School leaders are turning down a new option to arm teachers, arguing that it doesn’t make kids any safer
Minn. teen accused of planning to massacre his family and high school classmates mocked the attacks on the Boston Marathon and Sandy Hook Elementary School as “pretty lame”
Ballistic blanket promises protection against 90 percent of weapons used in U.S. school shootings
Officers investigating allegations that a person may be a danger to himself or others would be required to first check a state database to determine whether the person owns firearms
15-year-old gunman had an assault rifle, handgun and several magazines of ammo hidden in a guitar case and duffel bag when he rode a school bus to the campus
Police responded Tuesday to reports of a shooting at Reynolds High School in Troutdale shortly after 8 a.m.
11 principals, vice principals and administrators have volunteered under a program approved following the school shooting at Sandy Hook
One student talks to 911 operators while a classmate attempts to tend to his bleeding neck and chest
Man who police say staged an assault on a Ga. courthouse carefully planned the weapons and supplies he would need to enter the building and harm people inside
Jon Meis and other students stopped the gunman Thursday at Seattle Pacific University
In 2010, Aaron Ybarra called 911 to report “a rage inside him” and said he wanted to hurt himself and others
Four people, including a young man who died, were taken to Harborview Medical Center
Seattle police say a student disarmed a lone gunman who entered a building and opened fire
The father of a college student who was gunned down in the May 23 mass killings near the University of California, Santa Barbara said he met privately with the father of his son’s killer on Sunday
Legislators continue to focus on guns, but we also cannot allow the dangerously mentally ill to have access to the myriad other killing tools readily at their disposal in the kitchen drawer, tool shed, or sporting goods store
Shootings has tragically exposed the limitations of involuntary-commitment laws that allow authorities to temporarily confine people
Richard Martinez, whose son, Christopher Michaels-Martinez, 20, died in the attacks, urged students to fight for tougher gun laws
In YouTube videos and a long written manifesto, Elliot Rodger aired his contempt for everyone from his roommates to the whole human race
Gunman got into two gun battles with deputies during Friday night’s rampage in the beachside community of Isla Vista before crashing his black BMW