A Florida man charged with planning a mass shooting had ties to Abundant Life Christian School shooter Natalie Rupnow, ...

Three years before his arrest for plotting mass shootings, Damien Allen told a classmate he wanted to dress like a Columbine ...

This guy was ready to go, had all these weapons, had the propensity to do it — it was just a matter of what day was going to ...

Damien Allen was arrested in Florida for threats and impersonating an officer, amidst signs of planning a mass shooting.

Florida authorities believe they may have just prevented a mass shooting after arresting a Palm Beach man who allegedly ...

Investigators say Damien Allen stockpiled weapons, impersonated law enforcement and posted online about the attacks he ...

A Loxahatchee man faces multiple charges, including threatening a mass shooting and impersonating law enforcement, deputies said.

Authorities say Damien Allen had 18 guns, 300 pounds of ammo, and police uniforms — and was in contact with a teen who carried out a deadly school shooting.

The case surrounding Damien Allen has raised significant questions for local law enforcement officials and the public ...

The arrest of a Florida man who fantasized online about committing mass shootings drew praise from a Sandy Hook advocate, who ...

The Palm Beach Sheriff’s Office and the FBI said they prevented a mass shooting planned by a Loxahatchee man, who possessed ...

A Palm Beach County man was thwarted in carrying out racially-motivated mass shootings and attacks on law enforcement that investigators say were imminent after he was arrested Tuesday, according to ...