The mass shooting at Columbine High School on April 20, 1999, where two students fatally shot 12 classmates and one teacher in Littleton, Colorado, made the tragedy one of the most infamous in U.S ...

Braeden Phillips, 20, had planned to commit a mass shooting at State College High School on April 21, one day after the 26th anniversary of the deadly Columbine High School shooting, according to ...

Officials cited in the complaint allege that Phillips planned to place bombs in the school bathrooms.Two teenage boys went on a killing rampage at Columbine High School in suburban Denver on April ...

Sunday marks 26 years since the shooting at Columbine High School that claimed the lives of 13 people in 1999. While no formal remembrance was planned for Sunday, members of the Columbine ...

Officials cited in the complaint allege that Phillips planned to place bombs in the school bathrooms. Two teenage boys went on a killing rampage at Columbine High School in suburban Denver on ...