A firearms dealer in Arizona sold weapons to an undercover federal agent he believed would help him carry out his plan for a mass shooting targeting minorities at an Atlanta concert venue, an attack that he hoped would “incite a race war,” according to a federal grand jury indictment.
Mark Adams Prieto was indicted Tuesday by the grand jury in Arizona on charges of firearms trafficking, transferring a firearm for use in a hate crime, and possession of an unregistered firearm.
Court records didn’t list an attorney who could comment on Prieto’s behalf. A lawyer who briefly represented Prieto after he was arrested last month in neighboring New Mexico didn’t respond Wednesday to a request for comment.
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