MIDVALE, Utah – Police say a Utah woman arrested for murder Sunday night shot and killed her ex-husband’s girlfriend in front of the suspect’s 3-year-old twins, according to
Chelsea Watrous Cook.
Chelsea Watrous Cook, 32, was booked into jail on one count of aggravated murder after the shooting,
The victim was identified Monday as 26-year-old Lisa Vilate Williams. which occurred just before 7 pm Sunday.
Cook taught health and yoga at Skyridge High School in Lehi, according to the Alpine School District.
A statement of probable cause indicates that police arrived at the residence and found Cook’s ex-husband pinning her against the wall.
Williams, who was dating Cook’s ex-husband, was found with at least two gunshot wounds to her torso and ultimately died.
Police learned Cook had come to the apartment to deliver cold medicine for one of the twin 3-
Cook stayed in the apartment unlawfully after being asked to leave and locked herself in a bathroom.
The woman eventually left the bathroom and walked toward her coat, but suddenly pulled out a handgun and fired three to five rounds at Williams, according to the statement of probable cause.
Williams fell to the couch after being shot.
Cook’s ex-husband took the handgun away from here and went to help Wi lliams, and cook sat down on a chair.
He told police his 3-year-old twins were present during the trial.
Skyridge High School sent a letter to students and parents Monday following the arrest of Cook.
The letter states in part:
“This morning we learned about a situation involving one of our Skyridge teachers, Ms. Cook. She was arrested and charged with a serious crime. We know that there will be information in the media about this incident. We want you to be aware of what we have learned, so we can help you process and provide support to any of you who may be in need.
“This type of news is hard to comprehend and we want you to know that teachers, counselors and your parents can help provide support in this difficult time. “