A high school teacher in Utah reportedly shot and killed her ex-husband’s girlfriend as she decorated the Christmas tree with the teacher’s 3-year-old twin children. In a Facebook post, the victim’s mother, Tawny Williams, wrote that Lisa Williams, 26, was hanging homemade ornaments she made with the two toddlers when her boyfriend’s ex-wife, Chelsea Cook, 32, fatally … Continue reading High school teacher shot ex-husband’s girlfriend dead as she decorated Christmas tree with suspect’s twin toddlers: Report