Retired FBI agent urges rapid DNA testing in Nancy Guthrie case, stresses race against the clock: ‘Every hour matters’
DNA
An apparent large-scale operation Friday night tied to the disappearance of 84-year-old Nancy Guthrie marks a “significant escalation” in the Arizona case, with investigators now racing to canvas neighborhoods and fast-track critical DNA evidence, according to a retired FBI agent. Acting on a lead, the Pima County SWAT team and the FBI on Friday executed a federal search warrant at a Tucson-area home roughly 2 miles from Guthrie’s home, detaining three people. A fourth person was detained after
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