On May 23rd 1990, the deceased body of Laura Guerra,22, was found in a wooded area across the road from the Rio Motel in Rio Grande City. The Rio Motel is located at 1111 W. Main Street. Investigators believe that Guerra was murdered at another location, possibly at the motel, and that her body was dumped in the wooded area. Autopsy results indicate that Guerra was killed 3 days earlier by a gunshot wound to the head. Several clues were followed, but the case went cold. Texas Rangers and the Starr County Sheriff’s Office have reopened this case, and are seeking the public’s help for information to help identify Guerra’s killer.

Investigators believe that a possible witness may have informationon this crime, and are asking for the public’s help in identifying a personknown in the area, in 1990, known as "Gaston Garza," or "Mariano".