It was on November 30th, 2010, when 64 year old Sherry Black was found stabbed to death inside her bookstore, B&W Billiards and Books at 3466 S. 700 East in Salt Lake City Utah. Nearly a decade later, an arrest with the help of DNA and good old fashioned police work has caught her killer. Twenty Nine year old Adam Duborow. Good job Law Enforcement.