Gov . Charles Manson had 1972 to nullify or modify a parole board 's decision . The governor has reversed a board 's decision to grant Davis parole before . Bruce Davis has been serving a life sentence since up to 150 days . An associate of Bruce Davis , Charles Manson was convicted of murder in a pair of killings .
Gov . Jerry Brown had up to 150 days to nullify or modify a parole board 's decision . The governor has reversed a board 's decision to grant Davis parole before . Bruce Davis has been serving a life sentence since 1972 . An associate of Charles Manson , Davis was convicted of murder in a pair of killings .