Utah high school teacher accused of murdering her ex-husband's girlfriend


    Chelsea Cook's high school teacher photo (left, courtesy of Skyridge High School) and her mugshot (right, courtesy of Salt Lake County Jail)

    UPDATE: (Nov. 26, 1:02 p.m.) -- Skyridge High School has sent a letter to students and parents about the situation (you can read the original story below the quote):

    PARENTS: The following letter is being read to your students right now. All students are safe, and we have additional counselors on hand to help our students and faculty process this information. We ask that you please not contact the school at this time unless it is an emergency so that we can focus our resources on helping our students. There will be additional information sent by Dr. Perkins later this afternoon.
    Dear Skyridge Students and Parents,
    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 there will be information in the media regarding 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.
    As you leave school, you may see news media presence set up outside. We encourage you not to engage with reporters who may want to talk with you regarding this heartbreaking incident. District officials will be at the school answering media questions. If you are approached, we recommend that you direct any media requests for interviews to school administration or Alpine School District officials.
    If you need help, we are here for you. Please let your teacher know and they will have someone escort you down to the counseling center.
    We are a family and we care deeply about each of you. Please do not hesitate to ask for help if you need it.
    Dr. Perkins"

    (KUTV) -- A Skyridge High School teacher is accused of shooting and killing her ex-husband's girlfriend, according to a probable cause statement.

    Chelsea Cook, 32, is facing a possible aggravated murder charge for shooting and killing 26-year-old Lisa Williams, her ex-husband Travis Cook's girlfriend.

    2News confirmed through Alpine School District that Chelsea Cook was a teacher at Skyridge High School.

    The shooting happened Sunday night around 6:58 p.m. at the Station at Midvale apartments at 7960 S. Center Square in Midvale.

    Unified Police initially responded to the incident, but Salt Lake City police later took over the investigation because one of the persons involved is related to a Unified Police Department employee.

    Travis Cook told officers that Chelsea Cook, his ex-wife, stopped by the apartment to deliver cold medicine to one of their children.

    2News has confirmed Chelsea Cook is a teacher at Skyridge High School in Lehi.

    Chelsea Cook entered the apartment while Travis Cook was in the parking lot. She was told to leave, according to police, but refused.

    Travis Cook says she then locked herself in the bathroom. Emergency crews were called at this time.

    Chelsea Cook later exited the bathroom to grab her coat before suddenly pulling out a handgun and firing three to five shots at Williams, according to police.

    Williams fell back and landed on the couch.

    Travis and Chelsea Cook's two 3-year-old twins witnessed the entire ordeal.

    Travis Cook was then able to wrestle the handgun away from Chelsea Cook, who then sat on a chair with her two twins, while Treavis Cook attempted to help the victim.

    The probable cause statement says Chelsea Cook then walked back over to grab her coat when Travis Cook grabbed her and pinned her against the wall until officers arrived.

    Chelsea Cook was taken to the Salt Lake County Jail, where she is facing one charge of aggravated murder.

    You can read the probable cause statement below.


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