My guess is the child has significant trauma in his past. Hopefully he is already under the care of a psychologist who will take a love-based approach rather than a fear-based one. This child sounds scared out of his mind already, and his behavior is extreme because he has extreme fear.
Q: How many poets does it take to change a light bulb? A: 1001...one to change the bulb, 1000 to say it's already been done.