#Watch Chicago PD Online: Season 8 Episode 6

Who was the unlikely ally?

On Chicago PD Season 8 Episode 6, things took a deadly turn when Voight recruited an old face to help with a murder investigation.

Meanwhile, Halstead and Ruzek tried to infiltrate a crime ring and encountered a complicated situation.

Elsewhere, Burgess had a tense conversation with someone she felt was causing problems in the office.

Use the video above to watch Chicago PD online right here via TV Fanatic.

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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.