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A 20-year-old Oklahoma woman killed and mutilated her family's cat, apparently so she could use its blood for an outfit to wear to a Lady Gaga concert. Talk about a "little monster"! But seriously, she killed a cat.

According to police, Angelina Barnes drowned the cat, sliced open its belly, mutilated its eyes and removed its liver, which cops later found "in a makeup case on the counter." An unidentified relative arrived home to find Barnes—who had "cover[ed] light switches with duct tape so she wouldn't be able to turn on the light"—dressed in a "long coat" with "streaks of what turned out to be cat blood on her face." This was, it seems, the outfit she planned on wearing to the Lady Gaga concert.

As you might expect, Barnes did not go to the Lady Gaga concert. She went instead to the hospital, "where she threatened a male nurse with a piece of glass"; she's now "receiving treatment" at a local hospital. Tonight, Lady Gaga plays Miami.