I know my son is his father's child; however, there has been some doubt on that side of the family. Particularly the paternal grandmother. Originally I received an order from the court to receive child support about 4 years ago. Since then we have handled all adjustments on our own. If I go back to the court and ask that a paternity test be done, who pays for it? Also my son's father is now in prison, Federal prison in North Carolina. Can the court order the prison to preform a paternity test? He's gonna be away for another 3 or more years and its been long enough with doubt on the mind of his grandmother. I really want his grandmother to be a part of my son's life and I think this would be the only way she would do so, if she knew this was her grandchild. Can a paternity test be conducted in prison?