Nancy Guthrie's disappearance remains unsolved after six months, with new DNA evidence proving complex. Genetic genealogist CeCe Moore expressed concerns about the intricate DNA mixture found at the scene. Investigators are struggling to separate genetic material from four or more individuals in the sample. This challenging DNA evidence has not yet yielded any significant progress in the investigation.

Investigators are examining mixed DNA evidence from Nancy Guthrie's home. A hair sample recovered from the scene has yielded inconclusive forensic results. Multiple laboratories…

Pima County Sheriff Chris Nanos has spoken about hair found at the home of NBC News host Savannah Guthrie’s missing mom