YMMV / Criminal Minds S 4 E 26 And Back

• Complete Monster: Mason Turner again. See that page for details.
• Diagnosed by the Audience: Lucas. Neighbors politely describe him as "a little slow", and Reid thinks his crayon drawings make him look autistic given he's a grown man, but it's hard to tell exactly how much he understands, how much of it is the result of psychological abuse by his psychopath brother, and what he would have been without his rage issues.