"L.D.S.K.," the sixth episode of Criminal Minds Season 1, originally aired on November 2, 2005, and features the BAU investigating a sniper targeting victims in Illinois. Directed by Ernest R. Dickerson, the episode focuses on a criminal who wounds rather than kills, challenging the team to find a non-traditional killer. For more details, visit IMDb . "Criminal Minds" L.D.S.K. (TV Episode 2005) - IMDb