Tory McKenzie, 41, set up motion-activated camera in her granddaughter's room
Two-year-old Amber had been 'talking to something' in the middle of the night
Harrowing footage revealed a 'demon-like' creature stood in child's room at 3am
Amber and brother Michael have moved into their parents' room of their Las Vegas family home
Grandma Tory asked paranormal Facebook group for help expelling the demon