“Three people briefed on the situation, speaking on the condition of anonymity, said a fellow inmate with Mafia ties was being investigated for the slaying of the 89-year-old Bulger at the US Penitentiary Hazelton.” Boston Globe: Whitey Bulger killed at federal prison in West Virginia

+ The New Yorker: The mobster Whitey Bulger secretly worked for the F.B.I. Or was it the other way around?