Never convicted of his crimes , Accardo denied any ties to the mob until his death in 1992 .
Accardo came to infamy as a hitman for Al Capone who allegedly participated in the Valentine 's Day Massacre .
Never convicted of Accardo 's crimes , Accardo denied any ties to the mob until his death in 1992 .
Accardo came to infamy as a hitman for Al Capone who allegedly participated in the Valentine 's Day Massacre .