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Construction workers discover a skull with bullet hole under the ruins of a disco club burned down in 1978. 22 people died in the fire. Rush and Valens come to the conclusion that the burning of the club was arson, meant to cover up a murder leaving them with not one, but 23 cold cases.
First Air Date : Sep 28, 2003
Last Air date : May 02, 2010
Episode : 156 Episode
Season : 7 Season
Runtime: 44:14 minutes
Studio: CBS
Country: United States of America