Hair found in Nancy Guthrie’s Arizona home contained no DNA, Pima County Sheriff Chris Nanos said.
“To find DNA on hair is extremely rare. Hair doesn’t produce DNA like touch DNA or bodily fluids,” Nanos told NBC News on Thursday, July 30.
Nanos added to Fox News, “Yes, there was a hair. We had it and thought, ‘OK, well, we’ll do the DNA first,’ right? You’re going to do DNA before something else. … It came back … there’s no DNA.”
The sheriff said that the hair sample has been preserved in case it might still prove useful to the investigation.
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