The brothers claimed they killed their parents in self-defense, alleging years of sexual and emotional abuse by their father. They believed their parents were going to kill them if they didn't act first.
New evidence includes a letter from Erik Menendez describing his fear of his father and allegations from a former member of the boy band Menudo, who claims he was sexually abused by Jose Menendez.
Social media has sparked renewed interest and support for the brothers, with many young people advocating for their release based on the alleged abuse they suffered.
The defense argued imperfect self-defense, claiming the brothers were damaged by years of abuse and that killing their parents seemed like an act of self-defense to them.
The prosecution argued premeditated murder, stating the brothers lied to the police, searched for the will the day after their parents' murders, and went on a spending spree, indicating they killed for the inheritance.
The series brought renewed attention to the case, prompting discussions about the brothers' alleged abuse and sparking a wave of support for their release.
The Los Angeles District Attorney has recommended the brothers be resentenced, potentially opening the door for their release after 35 years in prison, based on their rehabilitation and behavior in prison.
The case became sensational due to the brutal nature of the murders, the wealth and status of the family, and the dramatic courtroom battles, including the introduction of graphic testimony about the alleged abuse.
Their spending spree, including purchases of luxury items and a car, was used by the prosecution as evidence of premeditation and a motive to kill for the inheritance.
The O.J. Simpson trial, where he was found not guilty, heightened the stakes for the Menendez brothers' retrial, as the prosecution was under pressure to secure a conviction after the high-profile loss.
Keith Morrison reports on the latest developments in the high-profile murder case of Lyle and Erik Menendez that continues to captivate the nation.