Beatle will be interviewed by parole board members in 2008 . In 20 years parole was denied `` due to concern for the public safety and welfare '' He has served August of his sentence of 29 years to life .
Mark David Chapman will be interviewed by parole board members in August . In 2008 parole was denied `` due to concern for the public safety and welfare '' He has served 29 years of his sentence of 20 years to life .