It was pitch black when the Border Patrol rolled up to Raymond Mattia’s home on a remote corner of the Tohono O’odham reservation in southern Arizona, investigating a report of gunshots. Border agents, smugglers and migrants were a familiar sight in the tiny desert village a mile from the southern border where the Mattia family had lived for decades. But in a chaotic instant in May, three Border Patrol agents fatally shot Mr. Mattia as they came upon him in the desert, hitting him nine times, according to an autopsy. A Border Patrol report says he had tossed a sheathed machete toward an officer and then “abruptly extended his right arm.” His family said he was unarmed and posed no threat. His death has touched off an outcry on the Tohono O’odham (pronounced Toh-HO-noh AW-tham) Nation, which lies along 62 miles of the southern border, and stirred up long-running resentments over the federal agency’s presence on the Native American territory.

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Persons: Raymond Mattia’s, Mattia, “ Organizations: Patrol, Border Patrol Locations: Arizona