Savannah Guthrie renews plea for clues in mother's disappearance

Savannah Guthrie is renewing pleas to neighbors, friends and residents of Tucson, Arizona, to jog their memories successful the hopes of sparking caller leads successful the disappearance of her mother, Nancy.

The "Today Show" co-host posted a caller household connection connected her Instagram relationship Sunday morning, hours aft the show's Instagram relationship shared it.

After expressing gratitude to the community, the household said successful its connection that it believes idiosyncratic successful Tucson oregon successful confederate Arizona whitethorn "hold the cardinal to uncovering the solution successful this case."

"Someone knows something. It's imaginable a subordinate of this assemblage has accusation that they bash not adjacent recognize is significant," the household said.

The household urged radical to spell backmost implicit their memories betwixt Jan. 31 — when Nancy Guthrie was past seen — and Feb. 1 arsenic good arsenic the evening of Jan. 11.

"Please consult camera footage, diary notes, substance messages, observations, oregon conversations that successful retrospect whitethorn clasp significance," the connection said. "No item is excessively small."

They besides acknowledged successful the connection that their family's matriarch whitethorn nary longer beryllium alive.

"We cannot grieve; we tin lone ache and wonder," they said.

Law enforcement sources told CBS News past week that further images were precocious obtained from surveillance cameras installed astatine Nancy Guthrie's Tucson location but thing was deemed suspicious. No images reviewed showed the fishy captured connected the beforehand doorway camera, sources said.

Lance Leising, a retired FBI supervisory peculiar agent, told CBS News it each points to "a deficiency of meaningful leads."

"It becomes overmuch harder to support the probe going, support it existent and combat for caller leads," helium added.

Nancy Guthrie was reported missing connected Feb. 1. Authorities judge the 84-year-old was kidnapped, abducted oregon different taken against her will. DNA recovered from the country is inactive being analyzed, with investigators turning to forensic familial genealogy in hopes of breaking the lawsuit open.

The FBI released surveillance videos of a masked man who was extracurricular Guthrie's beforehand doorway connected the nighttime she vanished.

The Guthrie household has offered a $1 cardinal reward for accusation starring to the betterment of their mother.

Savannah Guthrie visited the NBC "Today Show" workplace successful New York City for the archetypal time since her mother's disappearance connected March 5. The amusement said she plans to instrumentality to the aerial astatine immoderate constituent but "remains focused close present supporting her household and moving to assistance bring Nancy home."

Tucson is simply a small implicit 100 miles southbound of Phoenix and 70 miles northbound of the Arizona-Mexico border. The Catalina Foothills, the vicinity wherever Nancy Guthrie lives, is known arsenic an affluent country with fashionable hiking trails.

Savannah Guthrie has been a co-anchor of the venerable NBC greeting amusement since 2012. One of her erstwhile colleagues, Hoda Kotb, has returned to "Today" to capable successful portion Guthrie has concentrated connected uncovering her mother.

In:

• Nancy Guthrie