Lady Beat the Demon Out of Her 92-year-old Granny

We've seen this sort of craziness before, but this is especially heinous.
According to police, Armstrong was at her home in the 10000 block of Golf Crest in the Sappington area when she threw down her grandmother and stomped on her, breaking both her arms and eight ribs on November 12. According to police, Armstrong thought her grandmother was a demon and tried to beat it out of her before