The FBI has pushed its use of social media like into new territory to help protect Americans from those who break the law.

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

"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 ...

A senior Cook County Sheriff’s Office investigator has filed a lawsuit claiming she was illegally retaliated against after ...

The US Attorney's Office for Minnesota says Trooper Jeremy Francis Plonski was formally charged today with one count of ...

A Minnesota State Patrol trooper has been charged with production of child pornography, the state’s U.S. Attorney Office’s ...

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 ...

Investigators say online messages between a Florida man and the Madison shooter revealed a conspiracy to commit attacks and romantic involvement.

A flurry of immigration enforcement activity at courthouses around the country in the past month has renewed a legal battle ...