Erik Menendez, one of the two brothers convicted in the 1989 shotgun slaying of their parents in Beverly Hills, has been denied parole by a California review board, officials confirmed.The California Board of Parole Hearings denial of parole marks a significant development in the decades-long case that drew international attention, with the brothers televised trial becoming one of the most infamous of the 1990s. Erik, now 54, has spent more than 30 years behind bars.MENENDEZ BROTHERS' JUNE HEARING CONVERTED FROM CLEMENCY TO PAROLE AS DECISION LOOMS FOR GOV. NEWSOMThis is a breaking news story. Check back for updates.