Police announced that a 20-year-old California man has been "detained on suspicion of 'plotting' to coordinate a mass shooting at a government building" along with the 15-year-old Madison school ...

Two men are each facing two new counts of conspiracy to commit first-degree murder and possession of proceeds of crime.

Mark Adams Prieto, a 58-year-old resident of Prescott, Arizona, was arrested last month on federal charges related to an alleged plot to carry out a mass shooting at a Puerto Rican rapper Bad ...

The motive for the Scarborough shooting has yet to be determined, but investigators have said that one man was armed with an assault rifle.

Dylan Shaffer, 25, of Salix, has been charged after an online friend from Minnesota reached out to police about a mass ...

The wife of a reality TV star has been arrested in an alleged ... where he was shooting “Ghost Adventures.” The prisoner was allegedly communicating with the hitman, and the plot was uncovered ...

Toronto Police charged two men who were allegedly plotting to carry out a murder plot at a bar in the GTA, a day after ...

Ricardo Rodriguez told CBS Denver in a jailhouse interview after his arrest that he was not aware of any plan for a mass shooting and ... to the property company of alleged drug dealing from ...

The arrests came after three masked gunmen opened fire on a crowd at the grand opening of the Piper Arms pub on Progress Avenue Friday night.

The FBI stopped an alleged mass shooting plot at an Indiana high school. Officials said the teen's plan was exposed by a tip. Police say they foiled a potential Valentine's Day shooting at a high ...

Tomas Rivas, 20, and two unnamed 17-year-old boys — were arrested in connection with the New Mexico mass shooting at Young ...

Fifteen wounded, three dead, four arrests. This is what we know following the Friday night shooting at Young Park in Las ...