DNA, Nancy Guthrie
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Nancy Guthrie search takes dramatic turn
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Pima County Sheriff Chris Nanos revealed that there are problems with the DNA evidence collected from Nancy Guthrie’s house that could take up to a year for the private Florida lab he’s using to resolve.
Authorities are warning volunteer search groups to stay off Nancy Guthrie's property and give investigators space after unauthorized searchers recovered a glove and backpack near her home.
DNA challenges have complicated the Nancy Guthrie missing person case as mixed samples delay analysis, Pima County Sheriff Chris Nanos says, but investigation continues despite setbacks.
The search for 84-year-old Nancy Guthrie began after she was abducted from her home near Tucson, Arizona, early on Sunday, Feb. 1, authorities said.
Two Tucson ex-cons face online scrutiny in Nancy Guthrie case despite no official accusations. Luke Daley detained in SWAT raid, released without charges.
2don MSN
DNA technique being used to find Nancy Guthrie also used to convict Spartanburg County rapist
As the search for Nancy Guthrie extends into day 20, investigators are now turning to a technique called genetic genealogy to find those responsible for her disappearance.
Authorities are analyzing biological evidence in the search for Nancy Guthrie nearly three weeks after Savannah Guthrie's mom was last seen.