CRIMINAL MINDS “Roadkill” Season 4 Episode 23 May 5, 2009 Criminal Minds Watch a sneak peek of Criminal Minds Season 4 Episode 23 “Roadkill” airing this Wednesday May 6 at 9pm on CBS. Read all our Criminal Minds coverage. Episode Synopsis: “Roadkill” – An unsub who kills with his car is the subject of a BAU investigation, on CRIMINAL MINDS, Wednesday, May 6 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)