A controversial doctor. A disputed abuse diagnosis. Two convicted Wisconsin men say they are innocent.

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About this Episode

Dakota Black and Joshua Gehde are in prison for homicide after former UW Dr. Barbara Knox accused them of inflicting abusive head trauma on children. They both insist they are innocent. In the latest installment of our series "Flawed Forensics," Wisconsin Watch reporter Brenda Wintrode investigates Knox's findings of "abusive head trauma" — a controversial diagnosis which one New Jersey judge recently described as “junk science.” Narrated by Wesley Lethem for Wisconsin Watch.

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