no
no...federal grant money is for a proven need.
yes
You can attach the estates of him and his parents
Owing excess child support does not invalidate a passport. That doesn't mean you can't be prevented from the leaving the country.
Yes. The passport can be revoked or limited, if you owe a certain amount of unpaid child support.
Contact state dept. see link
yes Simply owing a debt is not a crime. Or, it's not suppose to be.
Passports can be suspended/denied if the amount of arrears exceeds the appropriate threshold, regardless of the child's current age.
Only when owing more than $5000
The State may do so after notice to the obligor, yes.
It depends on the state. In most states, drivers license and vehicle registration privileges can be suspended or revoked if you owe back child support.
Yes, if the past-due amount does not exceed $2,500.