Menendez and his brother, Lyle Menendez, were convicted of murdering their parents in their Beverley Hills mansion in 1989 but recently became eligible for parole.

Erik Menendez is in the hospital after being diagnosed with a serious medical condition before his parole hearing

Erik Menendez and his brother, Lyle, have spent more than 35 years in prison for killing their parents in 1989 in a case that over the past year has gained renewed public attention following the release of Netflix's 'Monsters: The Lyle and Erik Menendez Story' and various documentaries.