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Bryan Kohberger's lawyers didn't want prosecutors to describe him as a "psychopath" or in other specific terms if his case went to trial – but the criminology Ph.D. student turned mass murderer regularly searched for the phrase, according to digital forensics experts who dug into his phone and computer.

"On his PC (personal computer), psychopath was a normal word that he typed into a browser," said Heather Barnhart, senior director of forensic research at Cellebrite. "But he could have said it was for his major or research."

In addition to frequent searches for the phrase and related terms like "psychopaths paranoid," he also looked up wiretapping, and spent Christmas night reading in depth about serial killers.

BRYAN KOHB

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