Las Vegas police solve an old murder case using record-low volume of DNA
 

Las Vegas police appear to have smashed a record while using ancestry to find cold case suspects. BBC Newsreports that Vegas law enforcement claims to have solved the 1989 murder of 14-year-old Stephanie Isaacson (pictured here) using the smallest known volume of DNA. Investigators sent just 0.12 nanograms of DNA samples, or about 15 cells, to Othram's gene sequencing lab to help find a match. For context, a typical home DNA testing kit collects at least 750 nanograms.

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