Amber Waterman has pleaded guilty to the 2022 killing of a Benton County woman and her unborn baby. Waterman, 45, of Pineville, Mo., entered her plea to two counts of capital murder for the deaths of Ashley Bush of Siloam Springs and her unborn child, Valkyrie Grace Willis. Waterman has already been convicted in federal court for the kidnapping and killing of Bush and her unborn child. In July 2024, she pleaded guilty to kidnapping resulting in death and causing the death of a child in utero, re