The good news is the team finds a witness to a murder. The bad news is he suffers from Prosopagnosia, commonly known as facial recognition blindness, and he can't recognize the killer. The Rizzolis prepare for a visit from their scheming cousin Carlo.
Quest roles:
Eddie Jemison(Elliot Dutton), Robert Cicchini(Carlo), Fiona Dourif(Helen Barnes' Daughter), Rocky McMurray(Officer Mekler), Zylan Brooks(Det. Kain), Christina Carlisi(Helen Barnes), Chuti Tiu(Det. Fordham), Matias Ponce(Manny), Anthony Vitale(Spencer Romero)