Continuity mistake: Franks makes a comment that there have only been 18 deaths last year in New York, but Danny on his own closed more than 30 in the season before.
Blue Bloods (2010)
1 mistake in Mob Rules - chronological order
Starring: Tom Selleck, Bridget Moynahan, Donnie Wahlberg, Len Cariou, Will Estes
Frank Reagan: And I don't have a Teflon suit. Everything gets to me. Every time one of ours is hurt, or jammed up, or he's in over his head, it gets to me. I just don't show it, 'cause I can't show it, 'cause nobody wants, or needs, a sensitive police commissioner.
Sid Gormley: OK.
Frank Reagan: So screw you!
Sid Gormley: Yes, sir. That an order, too?
Frank Reagan: Yeah, that's an order.
Sid Gormley: Screw me. I'm on it, boss.
More trivia for Blue Bloods
Question: What is the pin Mayor Dutton is wearing?
Answer: The Seal of the City of New York.