26 minutes ago Dan Hanger ,

CHISHOLM, Minn. — A 1989 cold case involving the murder of Nancy Daugherty in her Chisholm home was officially closed Friday after her killer was sentenced for a second time.

Michael Carbo Jr., 57, of Chisholm, will serve a mandatory life sentence for the rape and murder of Daugherty when he was 18 and she was 38.

Nancy Daugherty

In 2022, advances in DNA and the use of a publicly available genealogy databases led investigators to Carbo, according to a news release.

Carbo was initially found guilty at a jury trial, but a 2024 ruling by the Minnesota Supreme Court ordered a retrial after Carbo’s appeal, which concluded Carbo had not been allowed to introduce evidence of a possible alternative suspect.

But that appeal failed.

Carbo’s DNA was found insi

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