It’s been 25 days since Nancy Guthrie disappeared from her Tucson home in the middle of the night. The FBI is involved. A $1 million reward is on the table. And so far, the suspect has left investigators remarkably little to work with — no usable DNA, no confirmed fingerprints, and door camera footage without timestamps. But according to the forensics expert who helped put Bryan Kohberger (the man convicted of murdering four University of Idaho students in 2022) behind bars for life, the case may not be as cold as it looks.
“The loudest evidence can be the lack of evidence,” Heather Barnhart, a digital forensics expert with Cellebrite and the SANS Institute, told Fox News Digital.
The Kohberger Playbook
Barnhart analyzed the phone and computer data of Bryan Kohberger. His phone records became one of the most critical pieces of evidence in the case — not because of what they showed, but because of what they didn’t.
“Kohberger literally created bookends around the crime by turning off his device,” Barnhart explained. “So in addition to all the clearing and other things that he prepped for to erase his digital footprint, the fact that right before the murder, his phone was turned off, and then within like 40 minutes or so after it was turned back on, kind of gave us that tunnel to look down here.”…