: After more than two months, the case has been transitioned to a specialized task force comprising homicide detectives and FBI agents .
: A specialized forensics lab in San Francisco, known for its work on high-profile serial killer cases, has reportedly joined the investigation to assist with complex evidence. Latest Search:
: Sheriff Chris Nanos has noted technical snags with "mixed DNA" evidence sent to laboratories, which has complicated the identification of suspects. Case Background & Leads Nancy Guthrie disappearance: Day 39 latest updates : After more than two months, the case
: The FBI is currently using enhanced technology to analyze DNA and hair samples found at Nancy Guthrie's home. : After more than two months