[s10e4] The Itch May 2026

: Jenkins becomes convinced that an entomologist at a local university is responsible for releasing the "bugs."

: Jenkins targets members of a Morgellons support group, believing they are being silenced. [S10E4] The Itch

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

: 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 The UnSub: Leo Jenkins : A significant subplot