Police in Pennsylvania have arrested a 20-year-old man accused of plotting a mass shooting at a high school later this month, one day after the anniversary of the Columbine massacre.

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

A caller from Tennessee tipped off authorities about the attack, which was allegedly planned for Evergreen Middle School.

April 17 - Sheriff's deputies began around-the-clock patrols of Columbine High and adjacent Clement Park ... the area to avoid the crowds and painful reminders of the deadliest school shooting in U.S.

Sunday marks 26 years since the shooting at Columbine High School that claimed the lives of 13 people in 1999.

WASHINGTON — Sue and Rick Townsend first met Anne Marie Hochhalter in March 2000 at a Bruce Springsteen benefit concert in Denver for Columbine High School shooting victims. Hochhalter used a ...

A man planned to shoot up a Pennsylvania school to mark the anniversary of the Columbine massacre, but was thwarted by local police, authorities say. Braeden Phillips, 20, had planned to commit a ...

New court details say the teen arrested last week for a shooting in the Jackson County Library also planned a mass shooting ...

COLUMBINE, Colorado (KCNC) — Sunday marks 26 years since the shooting at Columbine High School that claimed the lives of 13 people in 1999. Anne Marie Hochhalter, one of the survivors who was ...

The shooting at Columbine High School in Colorado on April 20, 1999, killed 12 students and one teacher. A USA TODAY story marking the 25 th anniversary said, “The massacre became a blueprint ...