Left: Sean McKinnon (booking photo via Marion County Sheriff’s Office). Right: James “Whitey” Bulger appears in a U.S. Marshals Service mug shot taken in 2011 (U.S. Marshals Service).

Accused lookout in James 'Whitey' Bulger prison killing pleads guilty, gets no additional time The man accused of acting as lookout during the prison killing of notorious Boston gangster James ...

DeCologero, was sentenced to more than four years in prison in August on an assault charge in Bulger's killing. Prosecutors said he acted as a lookout for Geas. A third inmate, Sean McKinnon ...

Three inmates charged in the violent killing of ... DeCologero are accused by prosecutors of bludgeoning Bulger to death as fellow defendant Sean McKinnon acted as a lookout in October 2018 ...