325 LINKEDINCOMMENTMORE

St. Louis, MO (KSDK) - This story sounds like something right off of the back of a crime novel; but it's the true story of how a handsome, charismatic drug dealer in Chicago ended up working as an undercover informant in one of the roughest prisons in the country.

That prison: in Springfield, Missouri. The mission: find a possible serial killer.

NBC's Lester Holt talked Kay Quinn during First@4 about the story of "The Inside Man," airing tonight on Dateline. Watch the video player above to learn about the movie rumors surrounding this story and Brad Pitt's possible involvement.

Read or Share this story: http://on.ksdk.com/18wIASU