Amanda Brumfield Amanda Brumfield

The estranged daughter of Billy Bob Thornton has been found guilty of aggravated manslaughter, the Orlando Sentinel reports.

Amanda Brumsfield had faced murder charges after an incident in 2008 that lead to the death of a friend's 1-year-old girl.

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Brumsfield claimed the girl, whom she was taking care of, hit her head after falling from her playpen, but prosecutors from the Orange County State Attorney's office in Florida argued that the height from which she supposedly fell wouldn't have caused a fracture of the child's skull.

While Brumsfield was found guilty of manslaughter last week, she was found not guilty of first-degree murder and aggravated child abuse charges. Sentencing is scheduled for July.