: 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

This report covers , titled " The Itch ," which originally aired on October 22, 2014 . Case Summary

: 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."

[s10e4] The: Itch

: 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

This report covers , titled " The Itch ," which originally aired on October 22, 2014 . Case Summary

: 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."