Cold Case was an hour-long crime drama that aired on the CBS network from September 28, 2003 to May 2, 2010. It focused on a Philadelphia Police Department's Homicide squad that investigates murders that have gone unsolved for years, sometimes even decades. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.