Law & Order Season 21 Episode 10
Black and Blue
The murder of an off-duty NYPD detective threatens to tear the city apart; Cosgrove mourns the loss of a friend and asks Capt. Benson for help solving the case; McCoy and Price disagree on how to prosecute the culprit.
Guest Stars
Shayvawn Webster
Dani Vertiz
Mariska Hargitay
Olivia Benson
Terry Serpico
Chief Tommy McGrath
Michael Beach
Brian Harris
Nathan Darrow
Scott Gleacher