On August 20, 1989, Jose and Kitty Menendez were brutally murdered in their Beverly Hills mansion. Their sons Erik and Lyle were accused of the murder in what seemed like an open-and-shut case — they wanted to collect their parents’ insurance. But a sensational trial revealed that there was something even more nefarious going on at their mansion on Elm Avenue. Nearly 25 years after the murders that shook the world, we revisit this notorious case.