Did the team manage to find the killer when an elderly woman was killed by a stray bullet in her home?
That was a key question on Blue Bloods Season 7 Episode 2 when Danny and Baez realized the answers were going to be difficult to find.
Meanwhile on this addictive drama series, Erin assisted Anthony with a personal case, but what was it?
Also, Frank found his actions being questioned.
Use the video above to watch Blue Bloods online to get caught up with the latest drama for the characters.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.