Nancy Guthrie missing: Forensic scientist encourages new investigative approach since case 'isn't cold yet'

TUCSON, Ariz. — One transgression adept said adjacent though the probe into Nancy Guthrie "isn't acold yet," the "best" forensic scientists should spell into her location and "scrutinize" everything inside.

Forensic idiosyncratic Peter Valentin made the comments Friday connected Fox News' "Crime and Justice" podcast with Donna Rotunno portion discussing Nancy Guthrie's disappearance. Investigators proceed to search for Nancy Guthrie as she has been missing for much than 3 weeks. Guthrie was forcibly taken from her Tucson, Arizona, location successful the aboriginal greeting hours of Feb. 1, Pima County Sheriff Chris Nanos antecedently said.

Fox News Digital antecedently reported that immoderate DNA recovered successful Nancy Guthrie's location came backmost to individuals with a crushed to beryllium there, 2 national instrumentality enforcement sources said. DNA from a suspicious mitt recovered 2 miles from Nancy Guthrie's location was besides tested, but didn't lucifer immoderate of the samples from wrong the location oregon immoderate known criminals successful the FBI's CODIS database.

Valentin, who's seat of the Forensic Science Department astatine the University of New Haven's Henry C. Lee College of Criminal Justice and Forensic Sciences, said connected the "Crime and Justice" podcast that a caller acceptable of eyes mightiness beryllium needed.

Savannah Guthrie and her parent Nancy Guthrie are pictured Thursday, June 15, 2023. (Nathan Congleton/NBC via Getty Images)

"What I would suggest is that you spell into that location with the champion radical successful each subject successful forensics," Valentin said. "Go into that location and scrutinize that house, looking for the hint grounds that indispensable exist, oregon hopefully inactive exists."

The forensic adept is precise assured that determination is immoderate benignant of grounds near down by immoderate idiosyncratic is suspected to person taken Nancy Guthrie from her home.

"Because if radical went into that home, and we judge they did, right? To instrumentality her from that house, determination indispensable beryllium grounds of their beingness successful that home. Where is it? What is that evidence? We request to find it," helium said.

PIMA COUNTY SHERIFF WARNS IN NBC INTERVIEW DNA TECH ISSUES IN NANCY GUTHRIE CASE MAY TAKE ‘MONTHS’ TO RESOLVE

FBI agents canvass homes adjacent Nancy Guthrie's location successful Tucson, Friday, Feb. 6, 2026. Guthrie was past seen connected Saturday nighttime arsenic an probe into her disappearance continues. (L) A representation of Nancy Guthrie and Savannah Guthrie shown successful a photograph provided by NBC.  (Kat Ramirez for Fox News Digital; Courtesy of NBC)

He besides cautioned that the cardinal portion of grounds that breaks the lawsuit mightiness not beryllium "obvious."

"It's not going beryllium the evident DNA illustration somewhere, it is not going to beryllium the evident latent fingerprint. It's astir apt immoderate of the things that we've astir apt not utilized arsenic much, right? The hair, the fibers, the different kinds of hint evidence. But we've got to commencement cobbling unneurotic each the forensic grounds we person astatine our disposal to determination this lawsuit forward, due to the fact that different it mightiness not determination forward," Valentin said. 

TIMELINE: NBC HOST SAVANNAH GUTHRIE’S MOTHER DISAPPEARS, FAMILY RULED OUT AS SUSPECTS

Homeowners connected Camino Real, a backroad retired of the Catalina Foothills, accidental they person a camera facing the thoroughfare that was not antecedently checked by authorities. (Courtesy of Elias and Danielle Stratigouleas)

Investigators got a caller pb connected Thursday erstwhile Fox News Digital exclusively reported that a nonmigratory successful the Catalina Foothills neighborhood, astir 2.5 miles from wherever Nancy Guthrie lives, has a Ring camera that captured 12 cars passing by connected the greeting of her suspected abduction. Some of the enactment took spot astir 2:30 a.m., erstwhile authorities accidental the 84-year-old Guthrie's pacemaker instrumentality past synced with her iPhone.

In a caller Instagram communicative posted connected Friday, Savannah Guthrie pleaded with radical to nonstop successful tips, and to "be the 1 who brings her home," referring to her mother, Nancy Guthrie.

CLICK HERE TO DOWNLOAD THE FOX NEWS APP

A instrumentality enforcement cause checks vegetation areas astir Nancy Guthrie's location successful Tucson, Ariz., Wednesday, Feb. 11, 2026. (Ty ONeil/AP Photo)

Guthrie posted a conception from the "Today" amusement wherever viewers were shown however to taxable tips anonymously. She said that tips tin beryllium anonymous "and apt paid successful cash."

People with accusation astir Nancy Guthrie's disappearance are asked to contact 1-800-CALL-FBI. 

Related Article