Image Credit: AFP via Getty Images In 1989, Lyle and Erik Menendez - then aged 21 and 18, respectively - sparked a highly publicized trial after brutally murdering their parents in their Beverly Hills mansion. The case resurfaced in recent years with renewed interest, largely thanks to Ryan Murphy's Monsters: The Lyle and Erik Menendez Story, followed by a Netflix documentary that featured previously unreleased phone call recordings between the brothers and director Alejandro Hartmann.