The cold case, from Maine, was among the latest to be closed using genetic genealogy. As a tool for identifying the remains of infants, and determining who their mothers are, the method is not without controversy.
A Lowell, Massachusetts, woman has been arrested in the December 1985 death of her newborn, who was abandoned in below zero temperatures at a gravel pit in.
A newborn baby, covered in blood-soaked toilet paper, was found abandoned in the trash bin of a plane's washroom and rescued by officials who were on an inspection round, said media reports.