WEST JORDAN — A former Utah high school health teacher pleaded guilty Friday to aggravated murder and other charges, admitting she shot and killed her ex-husband’s girlfriend.
Chelsea Watrous Cook, 33, went to her ex’s apartment on Nov. 25, 2019, and fatally shot 26-year-old Lisa Vilate Williams in front of Cook’s 3-year-old twins.
Cook pleaded guilty to aggravated murder, aggravated burglary, three firearm-related felonies and two misdemeanor charges of committing a violent offense in front of children.
She showed little emotion through Friday’s hearing, calmly saying, “guilty” to each charge as the judge asked for her plea. She began to cry as she admitted to the charges involving violence in front of her children.
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The Salt Lake Tribune's Jessica Miller contributed to this article.