The Dead Files 13x2

Steve DiSchiavi and Amy Allan travel to Gatesville, Texas, where a couple is being tormented by demonic entities hellbent on destroying their home and their grandchildren. During their separate investigations, DiSchiavi uncovers the dark and sordid history of a boys' reformatory turned female prison, while Allan encounters a vicious serpent-like entity that is set on contaminating the souls of all who inhabit the property.