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

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

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

A 22-year-old man who allegedly stockpiled weapons, ammunition and gear with the intent to carry out threats of mass violence ...

A man posing as a sheriff's deputy shared violent fantasies with Natalie Rupnow, who killed two at her Madison school, Florida authorities say.

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.

Just days after China’s People’s Liberation Army (PLA) showcased its new type of amphibious anti-tank missile platform, the ...