Was a dirty agent working for Chicago Police Department?
That was a huge question on Chicago PD Season 4 Episode 1 when a murder victim was wearing a CPD issued wire.
Meanwhile on this addictive drama series, Burgess worked a case with a new partner.
Also, Crowley questioned Lindsay about the night that Intelligence pursued Justin's killer, but did he notice that she was not being entirely truthful to him?
Use the video above to watch Chicago PD online to get up to speed with the latest drama for the characters.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.