A SERIOUS LEAD

 Intelligence chases down a lead in the ongoing serial killer investigation as news of the case reaches the public.

Air Date: Wednesday, May 15 (10-11 p.m. ET) on NBC.

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CHICAGO P.D. -- "Inventory" Episode 11012 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Lori Allen/NBC)