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 ...

Tom Mauser (right) with a poster of son Daniel, who was killed in the shooting rampage at Columbine High School at a protest outside the NRA convention. Photo / Getty Images While The Front Page ...

Nathan Hochhalter, whose sister Anne Marie was paralyzed after she was shot at Columbine, spoke about being trapped in a classroom at the school with about 30 students as they heard gunfire nearby.

May 13 - An FBI agent investigating the Columbine High School shooting whose son helped produce a video parody in which the school is destroyed says the film is a comedy and not a depiction of ...

Parents and Columbine alumni formed a human shield outside the high school at dawn and welcomed all the students streaming to a 7:30 a.m. "take back the school'' rally at adjacent Clement Park. Most ...

According to CBS News, the parent mentioned the 1999 mass shooting at Columbine High School, one of the most notorious such attacks in the US, which left 13 dead just 8km (5 miles) from Tuesday's ...

The recent Abundant Life Christian School shooting in Madison, Wisconsin, has sparked unsettling comparisons to the Columbine High School massacre after a chilling detail emerged: the 15-year-old ...

Sol Pais was reportedly obsessed with the 1999 Columbine high school massacre, in which two teenagers murdered 12 students and a teacher. The alleged threat led to school closures, affecting more ...

T he Chippewa Falls Middle School failed to notify students or families about a manifesto with a detailed plan to carry out a 'Columbine' style mass shooting, several media reports revealed on ...