Did Atwater take down the bad guys?
On Chicago PD Season 7 Episode 20, a gun-trafficking ring invaded the town, and lives were on the line.
However, he discovered an officer from his past is undercover in the same organization.
Naturally, this led to ahim confronting the past.
Meanwhile, Voight had to consider what to do about one member of the team who continued to break the law.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.