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Oct. 8: 'The Mystery of Horseshoe Drive' and revisiting 'The Family on Sorghum Mill Drive'

Coming up this Friday on Dateline NBC at 8pm/7c...

A loving father is shot dead while picking up his daughter for a court-ordered visit. Rob Stafford reports on the deep secrets hidden by the wife's family and the possible motives behind the murder in 'The Mystery on Horseshoe Drive'.

After the recent verdict in the high-profile Cheshire murder trial, Dateline takes a look back at the events that resulted in the murder of three members of the Petit family at their home in July 2007. Dennis Murphy reports on the potential fate of the two attackers and the courage of Dr. Petit in his quest for justice in 'The Family on Sorghum Mill Drive'.