The scene is a forensic exam room. A guy who looks like Larry the Cable Guy is peering into a microscope. Carlos (Mencia) asks why the crime can't be solved, since there were lots of bodily fluids, and a bite mark on the victim's neck.
"Everyone in this town got the same DNA," says pseudo-Larry. "And we ain't got no dentist," at which point he smiles, showing his lack of a full mouth-o-teeth.The name of the TV show (spoof)? CSI:Kentucky. Priceless.
Unrelated: Hitler or Coulter? quiz (my score: 6 correct; 8 wrong. eek!)