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Boyd struggles with his past while continuing the investigation on a mass murderer who was also guilty of killing his close friend. Are the Gunman's claims of innocence true? As the team investigate it looks as if someone else may have been involved.
First Air Date : Jun 18, 2001
Last Air date : Apr 11, 2011
Episode : 90 Episode
Season : 9 Season
Runtime: 26:14 minutes
Studio: BBC One
Country: United Kingdom
