Nancy Guthrie Investigation Hangs by a Hair

Nancy Guthrie, 84, is still missing from her Tucson, AZ home. The FBI is analyzing new DNA evidence from a hair sample found at the scene.   Originally, the hair sample was sent to a private Florida lab by the Pima County Sheriff's Department. Experts predict the testing could take months.     Joining Nancy Grace today: Brian Fitzgibbons  - Director of Operations for USPA Nationwide Security, Leads a team of investigators specializing in locating missing persons, website: www.uspasecurity.com, Instagram: @uspa_nationwide_security, former Marine and Iraq war veteran  Dr. Bethany Marshall - Psychoanalyst, Author: "Deal Breaker,”  featured on Peacock and Bravo, www.drbethanymarshall.com , Instagram & TikTok: drbethanymarshall, Twitter: @DrBethanyLive   CeCe Moore - Chief Genetic Genealogist, Parabon NanoLabs, Inc., Parabon.com, DNAJustice.org, Facebook.com/CeCeMooreDNA, Twitter: @CeCeLMoore, Instagram: @CeCeMooreDNA  Dave Mack - Investigative Reporter, 'Crime Stories'  See omnystudio.com/listener for privacy information.