Did Erin go too far?
That was addressed on Blue Bloods Season 7 Episode 15 when she asked Anthony to wear a wire?
Anthony worried because the man she wanted to arrest was a really good friend, but he had mob connections.
Meanwhile on this hit drama series, the team were shocked when a man was murdered 10 years after murdering a mother and son.
Was there a connection to that case from 10 years ago?
Use the video above to watch Blue Bloods online to get caught up with the latest developments for the characters.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.