Former FBI Special Agent Bryanna Fox talks about Luminol and why it might have been used at Annie's house.
7don MSN
Tommaso Cioni, Annie Guthrie's home searched: What is luminol and was it used by investigators?
Nancy Guthrie, 84, has been missing for over a week. Recent searches at her daughter Annie's home raised questions about potential evidence collection.
Nancy Guthrie Kidnapping: What Is Luminol? FBI Carries 'Bags' Of Evidence From Annie Guthrie's House
The relentless search for Savannah Guthrie's mom, Nancy Guthrie, has so far yielded no information about the 84-year-old's whereabouts. The investigators returned to the last-known place she visited.
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