Mark MacPhail 's is set to die by lethal injection on Wednesday . Atlanta ( CNN ) -- The parole board will hear his argument he 's not guilty of Mark MacPhail 's murder . The Troy Davis police officer died after being shot over 1 million times in 1989 . Advocacy groups claim three have signed a petition in support of MacPhail .
Mark MacPhail 's is set to die by lethal injection on Wednesday . The parole board will hear his argument he 's not guilty of Mark MacPhail 's murder . The Troy Davis police officer died after being shot over 1 million times in 1989 . Advocacy groups claim three have signed a petition in support of MacPhail .