In addition to the visits from his past, Dexter got a peek at his future, or at least his new adversary, Special Agent Frank Lundy (Keith Carradine), the rock star investigator responsible for solving the Green River Killer and D.C. Sniper cases.
[Sorry, I need to digress...
Criminal Minds did the same thing this week with a fictional cop who'd worked the Dahmer case. There were actual law enforcement officers responsible for working those famous cases. Should this TV appropriation bother me?
] In the face of such a notorious crimefighter, particularly one trying to be a team player ( This will not be a jurisdictional circle jerk, Lundy announced. This will be a shining example of two agencies working together for the common good. ) with all of the show's pre-existing supporting characters, Dexter recognized he needed to get his head in the right place.