The alert doesn't describe the nature of the relationship between Miles and the children.
Two young girls reported missing out of Texas could be in Colorado, according to the National Center for Missing and Exploited Children.
Amber alert for 2 missing Texas girls who may have been kidnapped
On New Year's Eve, Sunday, December 31st, Round Rock police performed a welfare check on a woman who was found dead inside a home.
Round Rock Police are looking for 44-year-old Terry Allen Miles in connection to the abduction of 14-year-old Lilianais Victoria Cake Griffith, and 7-year-old Luluvioletta Mariposo Bandera-Margaret. They aren't quite saying how the girls are linked to the deceased, only to say that they are "associated with a person of interest in the suspicious death investigation".
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Terry has brown hair and hazel-colored eyes. She has brown hair, braces and a nose stud in the right nostril.
"Luluvioletta is described as standing 4'4" tall and weighing 75 pounds.
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Authorities said Miles may be headed to Louisiana.
Miles is believed to driving a gray 2017 Hyundai Accent four-door hatchback with Texas license plate JGH9845.
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Law enforcement officials believe these children to be in grave or immediate danger. Anyone with any information is urged to contact Round Rock police at 512-218-5516.