The inmate was already serving a 25-year sentence handed down in 2006 after he was convicted of buying heroin used to try to kill a teenage girl.
Inmate sentenced to more than 4 years in prison killing of Boston gangster James 'Whitey' Bulger
The inmate was already serving a 25-year sentence handed down in 2006 after he was convicted of buying heroin used to try to kill a teenage girl.