 Scully tells Doggett that while the DNA test <unk> Fassl 's <unk> , it <unk> a possible blood relative ; Fassl , however , is an only child . Reyes proposes that the murders are being conducted by an entity rather than a person . Meanwhile , Fassl approaches Assistant District Attorney Damon Kaylor and begs to be sent back to prison . Kaylor refuses , but is killed by the Bearded Man . After hearing of Kaylor 's disappearance , Reyes <unk> that Fassl 's piety and his unwillingness to acknowledge his darker half has given him the <unk> ability to physically change into another , more violent person . 
