: He kidnaps individuals he believes are part of the "cover-up" or who can help him expose the "truth." He uses a high-frequency device to stimulate the sensation of "crawling" in his victims to make them understand his pain.
: Leaving the victims' bodies in public spaces after they have scratched themselves to death or been killed during his "experiments." Key Plot Points [S10E4] The Itch
: A former journalist who lost his sanity after the death of his son. He became obsessed with the idea that a government conspiracy or an environmental factor caused his "infestation." : He kidnaps individuals he believes are part
The Behavioral Analysis Unit (BAU) travels to , to investigate a series of murders involving victims whose bodies are covered in scratches. The investigation reveals that the UnSub (Unknown Subject) suffers from Morgellons disease , a delusional skin infestation where the sufferer believes their skin is infested with bugs or fibers. The UnSub: Leo Jenkins The investigation reveals that the UnSub (Unknown Subject)