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: Jesse Lee Soffer as Jay Halstead -- (Photo by: Lori Allen/NBC)