The Fox (Criminal Minds)

Karl Arnold Sr. or also known as The Fox is a prolific serial killer and the main antagonist and one episode of Criminal Minds called of The Fox, he also appears and Outfoxed.

He is portrayed by Neal Jones.

The Fox
After Karl committed those murders in other families, BAU was called in to resolve the case. Karl was later found in the basement of the Dunken house. Where he used the Dunken baby as a hostage, Karl later released the baby and tried to escape but was caught and taken to BAU headquarters for interrogation. The BAU induced Karl to speak, he then confessed to the crimes and switches places from the crimes scene photos because he couldn't stand the misplaced which resulted in a very detailed explosion at the crimes scenes.

Outfoxed
Karl returns in season five in the episode Outfoxed. He then helps BAU in the case of family murders. They later find out that the killer is a woman and not a man named Miranda Jakar, she was preparing to kill a family, but was stopped by Morgan, she tries to kill him with a resolve, but was stopped by Morgan, she tries to kill him with a resolve, but Morgan turns the gun and shoots, killing her. Later in the episode Karl reveals to Hotch that he has received letters from The Reaper, and then Hotch leaves the room while Karl laughs at him.