Can't. Germany will not honor American Father Custody Awards, and America wil not honor German ones. In fact neither honors them from any country. Only mother custody awards. You will need to file here and hope the court will grant you the right to remove the child from the country. see links below
yes
If he is not married to the mother, he has no assumed rights to the child even if she were a citizen, so the same challenges would remain in obtaining custody.
Individual governments govern their citizen's activities in the Antarctic. For example, if an American citizen working or visiting in the Antarctic, violates a law written in the treaty, that person will fall into the custody of the Federal Bureau of Investigation.
No, he could be arrested as soon as he put his foot in court and sent back. He can never get custody as long as he is an illegal alien.
If not married, the mother always has sole custody, even without an order. see links below
Technically your parents will always have custody over you. But if you are a citizen then not really.
Fines and Imprisonment.
Fines and Imprisonment.
That depends on the judge. Normally in the US the mother is given custody. Although there is a trend of joint custody. It's no different than being married to a US citizen. My sister was married to Canadian and she was given full custody. It is always best to work out the arraingment with the ex.
It is possible for a non-US citizen to go to court in a custody case for a child. If one party is an illegal immigrant, they may be subject to deportation.
The child is an American citizen if the child was born on American soil. The child should be able to stay in the US with the father. Unless the mother takes the child with her. There could be a custody dispute between the mother and father, it should be what is best for the child.
How can you best gain custody of your children who are currently living with their mother and the mother is a drug dealer