NEW : Having the police investigate is ` ` the right thing for the state , '' California governor says . Woman tells CNN she witnessed police beat man to death across the street from hospital . The 911 call is accusatory . Sheriff 's office says that Silva ` ` three baton strikes '' after he fought with officers . Witness tells CNN , ` ` He only got to ask for help like old times ... Those hits were brutal ''
NEW : Having the police investigate is ` ` the right thing for the state , '' California governor says . Woman tells CNN she witnessed police beat man to death across the street from hospital . Sheriff 's office says that Silva ` ` three baton strikes '' after he fought with officers . Witness tells CNN , ` ` He only got to ask for help like old times ... Those hits were brutal ''