Reopening the case could expose Kohberger to reinstated capital murder charges and potential federal prosecution.
The family of victim Kaylee Goncalves welcomed the prospect of taking the case back to trial.
"We're not scared of it," said Steve Goncalves, father of Kaylee Goncalves. "I always stood by the work of the FBI agents and other people.
If he wants to fight for the death penalty, that's exactly what we'll go for, and that's what he's facing.
There's so much evidence against him in this case. So we're not scared of a trial, not one bit."
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Legal records analyzed by the Idaho Statesman indicate that public defense and prosecution efforts in the case have already cost taxpayers over $8 million.