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On April 20, 1999, two heavily armed teenage boys entered Columbine High School in Littleton, Colorado, and murdered 12 students and one teacher. The shooting led law enforcement nationwide to reassess response tactics to active shooter events, moving from a strategy of containment to one of Immediate Action Rapid Deployment.

Police1 coverage of the Columbine school shooting includes lessons from a SWAT cop who responded to Columbine, solutions for stopping school massacres and how to form a threat assessment team.

Best practices include placing officers on campus, controlling access points and adopting a layered approach to keep out weapons
It takes a community to help a troubled kid – before they shoot up a school
When responding to an active shooter incident, you need the right stuff, you need to take out the right target and you need to address the threat right now
The 15-year-old was charged with use of a weapon of mass destruction
The woman was already dead of a self-inflicted gunshot wound by the time authorities launched a manhunt
While hindsight is 20/20, looking back over the past two decades we can identify several red flags that could have been raised on the Columbine shooters
Police response to school shooters has changed dramatically since Columbine, but what work remains to be done to protect our schools?
“Columbine today is a model and example of resiliency,” current principal Scott Christy said
Officials say the woman was found dead from an apparent self-inflicted gunshot wound
There is no single answer to the cause of mass school shootings, but it goes much deeper and further than issues of gun control and mental illness
One of the officer’s most vivid memories – and one that led him to his biggest lesson learned – occurred while standing over the bodies of the killers in the library
Companies such as Lenco, LRAD, Combined Systems, Tactical Electronics, and others must now satisfy the questions and concerns of a larger constituency
The uptick came during a four-year span that saw an overall decrease in violent crime reported by schools
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”
Unlike Adam Lanza at Sandy Hook Elementary School in Connecticut, or James Holmes at a movie theater in Colorado, or Jared Loughner outside an Arizona shopping center, Eric Harris and Dylan Klebold did not have discernable psychiatric diagnoses
It is not his proximity to death that day that occupied Keith’s thoughts during the ensuing months and years, nor even the question of why he lived and others didn’t
Part two of an active killers series explores behavioral cues of the dangerously mentally ill
Klebold and Harris managed to forever change the way law enforcement looked at active shooter situations
No policy or legislation could address even half of the unique circumstances of school murders
If an active shooter is not stopped as they progress through the first four phases, the only way they can be stopped is by my version of gun control during the fifth phase — here’s my definition of gun control
“We need to make a stand right now that our schools need to be the most important thing we have in this country — not Wall Street, not Capitol Hill, our schools.” — Coach Frank Hall