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

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

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

Damien Allen, 22, was arrested after the Palm Beach County Sheriff's Office said he was potentially planning an attack and ...

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

One conversation with Natalie Rupnow, who killed two people in December, contained threats against a church and law-enforcement buildings.

The Palm Beach Sheriff’s Office and the FBI said they thwarted an ‘imminent’ mass shooting planned by a Loxahatchee man, who ...

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 ...

Palm Beach County officials said a disaster was prevented after detectives arrested a man accused of threatening to commit ...

A man posing as a sheriff's deputy shared graphic fantasies of violence with a teenager who later killed two at her high ...