Jonathan Vigliotti is a CBS News correspondent based in Los Angeles. Vigliotti's reporting has taken him to more than three dozen countries and territories across six continents. Senior producer, CBS ...

Forensic experts are struggling to isolate "mixed" DNA samples found at Nancy Guthrie’s home, a process that could take months. Authorities are searching for a man seen on porch surveillance video, ...

TUCSON, Ariz. — Investigators in the Nancy Guthrie missing persons case are not looking into any new names, Pima County Sheriff Chris Nanos said, amid challenges with mixed DNA found at the ...

KNOXVILLE, Tenn. (WATE) — As the search for 84-year-old Nancy Guthrie continues, legal questions around DNA testing to identify a suspect in Guthrie’s abduction have begun to arise. In this week’s Ask ...

Add Yahoo as a preferred source to see more of our stories on Google. The FBI says a glove recovered near the Guthrie home, believed to visibly match one worn by the masked person seen on doorbell ...

A glove containing DNA found about two miles from the house of Today show host Savannah Guthrie's mother appears to match those worn by a masked person outside her front door in Tucson the night she ...

The investigation into Nancy Guthrie's disappearance has taken a key forensic turn, RadarOnline.com can reveal. The FBI confirmed that a glove recovered near Nancy's home contains a DNA profile that ...

A new CRISPR breakthrough shows scientists can turn genes back on without cutting DNA, by removing chemical tags that act like molecular anchors. The work confirms these tags actively silence genes, ...

The team also extracted plant DNA from the burial of a high-status man. Testing showed that the grave contained significant amounts of DNA from two tree species whose bark was used to make clothes, ...

PATASKALA, Ohio (WCMH) — Students at Licking Heights High School are partnering with Amgen to solve mysteries using research-grade technology. Through a partnership with Amgen Biotech Experience (ABE) ...