Cursed

Danny and Baez come to the scene of an influential criminal's killing, to which they find an errand person named Ronny in the trunk. Learning that he can report information inside the Vanchetti crime family, they send him back in the hopes of acquiring more information. It's isn't until a bike courier provides video proof of Ronny killing the brother, though, that the detectives set a trap for him. Frank learns that an officer at the 12th Precinct, Jill Carpenter, wants her late father's shield number (a recently killed Boston police captain), but is shocked when he learns the number in 46808—the one Joe used. Making him even more worried is the knowledge that any cop who used the number has died - more often than not, violently. A family vote deems Carpenter worthy of the badge number, but a violent encounter nearly claims her life. Jamie and Eddie collar a man who fits the description of a stabber in the neighborhood, but Renzulli uses his influence to spring him free. He questions the sergeant and learns that the man, Derek, was a close friend he has been watching out for due to a descent into drugs. When the two visit him, Jamie's presence causes Derek to panic and escape with a gun. They go after him but are too late when Derek dies while trying to stop the actual mugger. Renzulli apologizes to the pair for keeping quiet.