Kentucky Wife cheats on her husband. Wife gets pregnant and has Baby.
Wife’s Boyfriend seeks parental rights and responsibilities, including timesharing and visitation with Baby.
Under long-settled legal precedents, where a mother’s marriage is intact, in the eyes of the law, the mother’s husband is (conclusively) presumed to be the father of the mother’s child.
The Kentucky Supreme Court overturns that precedent in favor of a more scientific and pragmatic approach looking to DNA testing rather than blind rules of law.
Read more in this Wall Street Journal piece: Kentucky Supreme Court Wades into Extramarital Affairs and this Courier-Journal article: Kentucky court says fathers of children conceived during affairs have parental rights.