The team investigates a string of brutal pharmacy robberies and Halsted connects with one of the victims about their Army careers.

Upton suspects there is more to the story and confides in Voight. 

Air Date: Wednesday, Oct. 5 (10:00PM – 11:00PM) on NBC.

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CHICAGO P.D. -- "A Good Man" Episode 1003 -- Pictured: LaRoyce Hawkins as Kevin Atwater -- (Photo by: Lori Allen/NBC)