The child is residing at the fathers home, that gives you the right to file for custody, anything you have his police records, ect will help your case. You have more of a right to have your son then the grandparents, I would think that the grandparent would want your child with you, considering the father is into drugs, and the grandparent is ill. You might want to talk to them and reassure them that your not out to hurt them, you love your son and you want him to be provided for, the child should not be afraid of his father. You can also call legal aide to consult with an attorney, they go by your incom, and they do family law. You can find their number in the blue pages of your phone book, under government, or go online to humanresourcesinallstates.com

