A mass shooting at Florida State University's Tallahassee campus killed two and injured six. Here's what we know as of ...

A mass shooting at Florida State University's Tallahassee campus killed two and injured six. Here's what we know as of ...

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

Police in Pennsylvania have arrested a 20-year-old man accused of plotting a mass shooting at a high school later this month, ...

A mass shooting at Florida State University's Tallahassee campus killed two and injured six. Here's what we know as of Thursday, April 24.

A mass shooting at Florida State University's Tallahassee campus killed two and injured six. Here's what we know as of ...

As the country marks 26 years since the Columbine High School shooting, demonstrators say more must be done to prevent gun ...

A central Pennsylvania man planned to shoot up a high school around the 26th anniversary of the Columbine shooting, ...

A Pennsylvania man remained jailed on Sunday after being accused by authorities of planning a mass school shooting for later ...

Dr. Josh Hevert, a history professor at the El Paso Community College, shared his harrowing experience as a survivor of the ...

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 ...

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 ...