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 ...

The suspect accused of possessing an arsenal of firearms and ammunition remains in custody as authorities investigate how he ...

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

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.

A Florida man is accused of threatening mass shootings at several different locations and communicating with the accused mass ...