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Midvale murder: Woman’s family feared boyfriend’s ex-wife before slaying

The family of a woman who authorities say was killed by her boyfriend’s ex-wife while decorating a Christmas tree is sounding a warning about the devastating impact of domestic violence that goes beyond two people.

Lisa Vilate Williams, 26, was making homemade ornaments with her boyfriend’s twin 3-year-olds at his apartment on Sunday when his ex-wife, Chelsea Watrous Cook, 32, burst in and shot her to death in front of the children, police said.

The slaying came after Cook targeted Williams with online bullying, in-person confrontations and harassment for months, her sister and mother told The Associated Press.