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Nancy Guthrie, DNA

Nancy Guthrie case may hang on DNA sample being probed by FBI as search reaches 100 days

A strand of DNA recovered from Nancy Guthrie’s Arizona home is undergoing extensive testing at the FBI’s crime lab as the investigation hit the 100-day mark — and authorities continue to hold out hope for a break in the case.

Daily Express US on MSN · 3d

Nancy Guthrie case may hinge on key DNA sample 100 days into investigation

· 3d · on MSN

Nancy Guthrie timeline: Biggest developments as search reaches 100 days

StyleCaster on MSN

Nancy Guthrie update & what happened with the DNA

Are they close to identifying a suspect?

seattlepi.com

DNA testing mistakes at the State Patrol crime labs

Contamination and other errors in DNA analysis have occurred at the Washington State Patrol crime labs, most of it the result of sloppy work. The most common problems are cross-contamination by ...

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Nancy Guthrie, DNA

Nancy Guthrie update & what happened with the DNA

DNA testing mistakes at the State Patrol crime labs

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