Special Agent Karl Dupree assisted the Lightman group on a case involving a South Korean ambassador. He is romantically involved with Torres. (Season 1 Ep 4 Love Always) He defends Torres against Loker while working on a case. (Season 1 Ep 11 Undercover) Last seen in a comatose state in the hospital with Torres by his side, after been injured in a bombing attack. (Season 1 Ep 13 Sacrifice) He is not mentioned in Season 2 and 3.