A California parole board has denied parole for Erik Menendez, who was convicted alongside his brother Lyle of murdering their parents in 1989, delivering a crippling blow to the brothers’ yearslong fight for release.

After more than 30 years in prison, Erik Menendez appeared before a parole board on Thursday in a continued bid for freedom after being convicted for the 1989 murder of his parents.

A hearing panel on Thursday denied parole for Erik Menendez, finding that he has more work to do to rehabilitate himself before he can be released from prison. The two-person panel acknowledged that Menendez has done good works behind bars,