The William Shakespeare verse Morgan quotes is from the famous "St. Crispin's Day speech" in Act 4, Scene 3 of "Henry V".
The term 'unsub' is used twenty-one times in this episode. This may be the record for this series.
Mark Pellegrino plays Lt. Evans in this episode, who works closely with Derek Morgan (Shemar Moore). Pellegrino played Paul Bennett on Dexter (2006), whose main character was Dexter Morgan.