Two brothers were killed and a third person wounded in a shooting at the Rincon Indian Reservation, authorities said. Dupty Coroner Dan Matticks identified the dead as Stanley Bruce Calac, 26, and Frank Dion Calac, 17, both residents of the northern San Diego County reservation. A third man, Jack Musick, 26, was injured in the Sunday night shooting. He was treated for a hand wound and released from Palomar Medical Center in Escondido. Sheriff's deputies want to question a relative of the brothers in the shooting. Danny Mendozo, 22, a resident of the Pala Indian Reservation and a first cousin of the Calac brothers, was being sought for questioning in the case.