Erik and Lyle Menendez, who ambushed their parents with shotguns and murdered them in their living room in 1989, could be eligible for parole immediately if a court approves the recommendation of reducing their sentences from life without parole. Erik and Lyle Menendez, who ambushed their parents with shotguns and murdered them in their living room in 1989, could be eligible for parole immediately if a court approves the recommendation of reducing their sentences from life without parole.