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Heidi Miller, whose mother was murdered in 2010, and her husband are sponsoring a cold case symposium.

The event, organized by the Sherry Black Foundation, aims to solve unsolved homicides.

Utah has 254 unsolved homicides; families seek answers, says deputy commissioner Tyler Kotter.

SANDY — Heidi Miller knows firsthand what it's like to have a loved one killed and not know who did it.

"It's an ache that doesn't go away. It's constantly there," she said.

Miller's mother, Sherry Black, was found stabbed to death inside her bookstore, B&W Billiards and Books, 3466 S. 700 East, on Nov. 30, 2010. For nearly a decade, there were no suspects or persons of interest in the case. An Armani Exchange men's belt with a waist measurement of approxim

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