“The FBI asked Pima County Sheriff Chris Nanos for physical evidence in the case, including a glove and DNA from the home of 84-year-old Nancy Guthrie, to be processed at the FBI's national crime laboratory in Quantico, Virginia, but Nanos has insisted instead on using a private lab in Florida," the official said.
According to the source, the FBI will likely need to re-test the evidence themselves
FBI releases suspect description in Nancy Guthrie case, ups reward to $100K as agents review more than 13,000 tips.
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