By Yelena Mandenberg A 63-year-old grandma from Utah, sadly lost her life after being brutally attacked by her son’s seven pit bulls. The terrifying incident happened in her own backyard on Halloween 2023 when Sandra Dee Miller was attacked by two adult pit bulls and five puppies, which caused severe injuries that led to her death on November 6. Her 38-year-old son, Jeremy Miller, is now facing charges of misdemeanour attack by an animal, as ABC4 reported. When the police arrived at the scene near 4800 South and 2900 West, they found Sandra Miller with serious injuries. “Her leg had no flesh o…