Why did Erin go against Anthony's word?
That was the big question on Blue Bloods Season 8 Episode 5 when she brought in an informant against his wishes.
Meanwhile, Danny and Baez worked the case of a detective who was gunned down before testifying in court.
Also, Frank grew concerned when Garrett was attacked by a S.W.A.T. team outside his home, but what was the reason for it?
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Get caught up on all of the crazy twists for the Blue Bloods team.
Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.