PREVIEW: The State of Wisconsin vs. Steven A. Avery

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Fresh, new interviews and rare footage of a sit-down conducted in 2005 with Penny Beerntsen, the victim of the sexual assault case, for which Steven Avery was wrongfully convicted. In this one-hour special, airing Friday at 10pm/9c, Dateline’s Andrea Canning is on the ground in Manitowoc County, Wisconsin with a new look at the controversial case surrounding the 2005 murder of Teresa Halbach.