Dominguez was arrested at his home in Los Angeles and is being held without bail. Dominguez faces a murder charge, plus two special circumstance allegations, murder during the commission of a rape, and burglary.
Investigators say there was an extensive investigation. However no viable suspect was ever identified. Using modern research techniques, investigators say they found a genetic match with Dominguez after an unrelated narcotics arrest.
Anyone with information is asked to call the LAPD Cold Case Special Section at (213) 846-6910.
City News Service contributed to this report.