You may have watched Wednesday's season premieres of "Chicago Med," "Chicago Fire" and "Chicago PD." It's all fiction, of course, but we learned some of the men and women who star in those shows often draw on real-life experience to play the role of a first responder. 13News anchor Dustin Grove went to Chicago to learn more from the cast of these NBC primetime favorites. MORE: https://www.wthr.com/article/news/some-of-the-actors-on-nbcs-chicago-shows-say-they-draw-from-real-life-experiences-in-their-roles-as-first-responders-med-fire-pd-entertainment/531-d573c916-d61b-4a7f-9c40-bee7a0c98d81