Powerful drug lord whose cartel is responsible for the North family's murder. Orders hitmen to kill Chris and Carly. Riley systematically dismantles his operation, killing hitmen, lawyers, and a judge before confronting him. He kills Carmichael but is ultimately beaten and shot by Riley.
Diego's cartel maintains ties with compromised law enforcement, indirectly involving Inman's investigation.
Primary antagonistic relationship driven by vengeance and survival.
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