Vivian mentions how NYPD didn't care about re-opening a case. Danny, in response, mentions how their technology is better than LAPD's.
Vincent Ventresca is credited with playing "David Morgan," but the character's name is actually Matthew Morgan.
At around 26 minutes, when Jack answers his phone in the prison hallway, he obviously looks down to find and step on his "mark", a black piece of tape on the floor.
Jack refers to the "Archduke of Canterbury". It's the Archbishop of Canterbury