Kenyan provided black cred, Indonesian got him admission preference above and beyond being putatively black. He was both, one by birth and the other by adoption. If he was actually born in the United States as claimed, accepting admissions preference and perhaps aid or scholarship money on the basis of foreign citizenship at the age of majority constituted an affirmative act, that effectively renounced any US citizenship he may have had. Check the citizenship statutes regarding this issue. He “decided” legally speaking, and that is why all the secrecy is necessary.
Someone Needs To ask The Question Over and Over