Tensions are high as the squad investigates a possible copycat of the legendary Boston Strangler…or could it be the Boston Strangler himself? Meanwhile, Jane butts heads with her new boss, Lt. Grant, who just happens to be from the same neighborhood where Jane grew up. And Maura gets into trouble with her habit of diagnosing everyone – including her date.
Quest roles:
Donnie Wahlberg(Joey Grant), Chris Butler(Darren Crowe), Patrick Fabian(Nate), Tom Bower(Redmond Jones), Brian Dennehy(Ret. Det. Kenny Leahy), Sabin Rich(BRIC Tech), David Ury(Sandy Grotty), Chazz Palminteri(Frank Rizzoli Sr.), Omar J. Dorsey(Big Mo), Eve Brenner(Mrs. Jones)