She had been convicted of murdering her daughter (Crystallynn Girard), on February, 13 1993. According to the Innocence Project, she is the first woman to be exonerated of murdering someone on the basis of DNA evidence. A previous case, had involved the reversal of the conviction of Paula Grey, who had been convicted as an accomplice to murder, but was cleared when the conviction of the principals was reversed.
According to her lawyer, she had been convicted of the murder of her daughter based primarily on evidence from a neighbor who said she had subsequently confessed the murder. Many years later, he recanted. There was no physical evidence. The conviction was overturned on the basis of physical evidence linking the murder to her companion, Dennis Donohue, who can not now be tried as he was granted immunity at her trial. He has since been charged with an unrelated murder, also in 1993.
The prosecutor was quoted as planning to retry her for second-degree manslaughter.