Just after the 1999 shooting at Columbine High School, NRA leaders agonized over what to do. NPR obtained recordings of the calls, which lay out... A secret tape made after Columbine shows the NRA ...

Claim: One of the boys who murdered his classmates at Columbine High School prepared by designing ... from those previous by different graphics, layout, and types of bad guys found therein.

The retired principal who survived the Columbine High School massacre 25 years ago still recites the names of the victims first thing every morning – and says their memories give him “a reason ...

27 April 1999 Columbine High School appeared to be ... stashed explosives in the school kitchen, studied the layout and traffic pattern to insure the largest number of victims, and chose Hitler ...

On April 20, 1999, two students entered Columbine High School and killed 12 fellow classmates and one teacher in what was, at the time, the deadliest high school shooting in U.S. history.

Students were running for their lives from Columbine High School as gunmen stalked the halls and set off bombs. One desperate teen hung from a window. Nearby homeowners were taking in fleeing ...

In the aftermath of the Columbine slaughter, Denver police sent officers to every high school to familiarize themselves with the layout and asked for blueprints of all the schools, Smith said. Ijames ...

It has been nearly 20 years since the first mass school shooting in the U.S. -- the shocking tragedy at Columbine High School in Littleton, Colorado, on April 20, 1999. As a “credible” threat ...

Read more: Americans look to Columbine to better understand school shootings — but myths about the shooters have persisted for years Unfamiliar with the high school's layout and unaware that the ...

That's an entirely different tactic than what was used during Columbine. Twenty years ago ... hampered because they had no idea of the school's layout. So now, McDonald carries a blueprint ...

Today at Columbine High School in Littleton ... also hampered by poor communication and uncertainty about the school’s layout. “One of the things we were able to do shortly after that was ...

Columbine High School appeared to be ... stashed explosives in the school kitchen, studied the layout and traffic pattern to insure the largest number of victims, and chose Hitler’s birthday ...