The teenager said she was told to hold her mother's head as Hawkin severed it.
The chief witness was Hawkin's 15-year-old daughter, who was 12 when her mother was killed. She told the Memphis court her 33-year-old father forced her to help him put her mother's body in a freezer and cut it up later using a circular saw, which he had bought on the same day as the murder.
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Hawkin's daughter also told the court that her father had raped her repeatedly and threatened to kill her if she told anyone about their relationship.