Nancy Guthrie case: Expert explains why flashlight bite needs closer examination, ‘certainly possible…’

Moore explained that while crime scene investigators may have collected a large number of DNA samples, they may have missed key evidence, such as saliva from a bite flashlight. She added that this could be a “reliable” source of the perpetrator’s DNA even weeks after the incident.

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“The DNA is pretty solid,” Moore said, according to The Nation Today. “So there’s definitely some DNA there, and specifically, I do think saliva is the most likely possibility because he seemed to have something in his mouth that was biting the flashlight.”

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Speaking about the investigation, Nanos said the Sheriff’s Department is still working with the FBI, labs and forensic examiners across the country and “we still have thousands (hours) of video footage to sort through.”

“This case will get us there. We let the evidence show us the way, and that’s what we base everything on,” Nanos said. “Right now, it’s all speculation. We have nothing in front of us to prove ‘who did this and this is why’.”