DNA testing on a hair sample found in Nancy Guthrie's home returned no profile, but investigators say the sample may still prove valuable as the case continues.
https://www.foxnews.com/us/nancy-guthrie-update-dna-couldnt-profiled-crime-scene-hair-sample-sheriff-says
https://www.foxnews.com/us/nancy-guthrie-update-dna-couldnt-profiled-crime-scene-hair-sample-sheriff-says