Columbine High School Massacre

Authorities are commending the mother for calling police after finding his plans to target his school on the anniversary of the Columbine shooting.
Led by young Columbine students, these teens hope images of their bodies will be publicized if they're gunned down in a mass shooting.
The site of a 1999 school shooting in Colorado has inspired a number of copycat shooters in the two decades since the massacre.
Jefferson County Superintendent Jason Glass said he's considering demolishing the Colorado school and building a new one, according to local reports.
His family said Eubanks, 37, “lost the battle with the very disease he fought so hard to help others face.”
Since 1999, American schools have tried to prevent a threat that had once been unthinkable.
Sol Pais was the subject of an intensive manhunt after she flew to Colorado from Florida Monday.
The girls posted photos on social media re-enacting poses from the day in 1999 that two teens killed 13 people before taking their own lives.
A small group took part in the national protest on April 20.
The campaign was launched by the parents of a victim of the Aurora, Colorado, theater massacre.
The shooting left one student with an injury that wasn't life-threatening.
Photos from around the country show students marching on the anniversary of the Columbine High School shooting.
Former Columbine High School Principal Frank DeAngelis is dealing with loss and trauma through counseling and faith.
In the past few months, hundreds of thousands of young Americans have taken to the streets to demand tighter gun laws.
HuffPost talked with former Columbine principal Frank DeAngelis in the month leading up to the 19th anniversary of the shooting that left 12 students and 1 teacher dead.
Heather Martin and Zachary Cartaya's nonprofit, The Rebels Project, works to connect survivors of mass shootings to one another through a private nationwide network.
“I’m so proud of them, and I don’t even know them.”