RED WING, Minn. — A Red Wing man has admitted in a plea agreement that he killed his infant son. Hunter Matthew McCutchen, 28,  told the judge he would plead guilty to second-degree murder if first-degree murder and lesser charges were dropped. The infant suffered substantial ongoing physical abuse. There were broken ribs and a broken collarbone in various stages of healing. There also was bleeding on the boy’s brain and loss of brain function, according to the criminal complaint. If the judge accepts McCutcheon’s plea proposal, the sentence could be 40 years. The man has a criminal history: Two convictions for domestic assault.

Earlier: Manslaughter charged in Red Wing baby’s death