(NBC NEWS) A Texas mother who shot her two daughters to death on her husband's birthday last week had called "a family meeting" before the shootout, authorities said Monday.
Christy Sheats, 42, was then killed by a police officer after she allegedly refused to drop a .38-caliber handgun.
In a statement, the Fort Bend County Sheriff's Office said that on Friday afternoon, Christy gathered her children, 22-year-old Taylor and 17-year-old Madison, and her husband, Jason, who had just turned 45, in the living room of their home west of Houston.
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"During that meeting, Christy Sheats held up a gun and shot both girls," the statement says.