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 ...
An Arizona man was arrested in May for planning a mass shooting in Atlanta targeting African Americans in the city to incite a race war. Mark Adams Prieto is accused of selling rifles to people to ...
Mark Adams Prieto believed he had the perfect plan to commit a mass shooting of Black people at an Atlanta rap concert in order to start a race war before the 2020 presidential election ...