How Old Are Lyle And Erik Menendez 2024. Lyle and erik were sent to prison after a trial in 1996 when lyle was 21 and erik was 18 years old. Erik and lyle menendez were eventually charged with murder after erik, who was then 18 years old, confessed the killings to his therapist in march 1990.

Are the menendez brothers getting a new sentence? Erik menendez (left) is shown in 2016 and lyle.