A family friend who was called upon to babysit a 4-month-old infant has been arrested after he allegedly slammed the baby’s head into an elevator wall at a Midvale shelter to stop her from crying.
WATCH: Kearns parents allegedly locked up 13-year-old boy in makeshift cell for 24 hours
Zachary Walton, 28, faces charges of murder and child abuse after his arrest Sunday…