: Jenkins becomes convinced that an entomologist at a local university is responsible for releasing the "bugs."
: A significant subplot involves Aaron Hotch profiling a woman named Lisa who also claims to have the condition. Unlike the aggressive UnSub, Hotch realizes her "itch" is a physical manifestation of grief and helplessness regarding her infant's death years prior. Episode Conclusion
Reviewers from TV Fanatic noted that the episode was particularly effective due to its "creepy-crawly" atmosphere and the empathetic way it handled the intersection of mental health and grief, specifically highlighting Hotch's "gentle" profiling of Lisa. AI responses may include mistakes. Learn more [S10E4] The Itch
: Jenkins targets members of a Morgellons support group, believing they are being silenced.
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 : Jenkins becomes convinced that an entomologist at
The BAU successfully tracks Jenkins to a basement where he is holding a victim. After a tense standoff, the team manages to apprehend him without further loss of life. The episode concludes with a somber reflection on the thin line between physical ailments and the devastating effects of untreated mental illness.
: 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." AI responses may include mistakes
: Leaving the victims' bodies in public spaces after they have scratched themselves to death or been killed during his "experiments." Key Plot Points