TYLER – A Tyler man is being charged with murder in connection with a fatal shooting last month. Treyvon Dewayne Maddox, 19, had originally been charged with deadly conduct for discharging a firearm. On Tuesday he was charged with murder. Maddox is charged with the shooting death of Keyundta Devor Barrett, 20, of Tyler. It occurred on April 20th on Tidwell Drive, off NNE Loop 323, on the outskirts of Tyler. Also shot were Kentrell Marquie Miller, 21, and Ira Brown Jr., 18, both from the Tyler area. Their injuries were not life-threatening.