"Heathridge Manor" -- Reid (Matthew Gray Gubler) looks at an equation which could help him and the BAU when the team is in Oregon to investigate a series of gothic, ritualistic murders of women and suspect that the UnSub they are looking for may be a Satanist, on CRIMINAL MINDS, Wednesday, April 4 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Gubler also directs the episode. Photo: Monty Brinton/CBS. ©2012 CBS Broadcasting, Inc. All Rights Reserved.