When three people implicated in murders claim they were attacked by a &quot;clawed shadow monster&quot; at the moment each crime occurred, the BAU searches for an UnSub who is controlling their minds. Also, the search for the culprit puts one of the team in jeopardy, on CRIMINAL MINDS, Wednesday, April 22 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Series star Matthew Gray Gubler directed the episode. Guest stars include Bodhi Elfman as mathematician Peter Lewis, and Thad Luckinbill as…