The biological father in this case knowingly abandoned his child prior to and after the birth. You may want to do some reading to better familiarize yourself with this case. You can start with the original South Carolina Supreme Court decision, which contains the following:
It is undisputed that Mother and Father did not live together prior to the baby's birth and that Father did not support Mother financially for pregnancy related expenses, even though he had the ability to provide some degree of financial assistance to Mother.
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Father was aware of Mother's expected due date, but made no attempt to contact or support Mother directly in the months following Baby Girl's birth.9
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Before her first prenatal doctor's appointment, Mother asked Father for financial assistance. Although he acknowledged paternity from the outset, Father refused to help financially unless he and Mother were married. At trial, Father was asked, "But she had to marry you before you felt you'd be responsible as a father?" He answered, "Correct."
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Father explained, "Being four hours away I was able to come home on the weekends, but I didn't make the right amount of money, you know, to be sufficient enough for me to come home, you know, whenever I wanted to." The record reveals Father's annual salary was $20,227 in 2009 and $23,697 in 2010. Because of Father's military service, he was not required to pay income taxes when in active service. Additionally, his housing and food expenses were covered by the military, and Father admitted virtually all of his salary was disposable income. The only recurring expenses Father mentioned were $20-25 per week for cigarettes and going to bars "drinking with [his military] buddies, joking and having a good time."
A real class act...she will be much better off with her adoptive parents in the home she should never have been removed from.