In a bombshell development that has sent shockwaves through the investigation, authorities have zeroed in on chilling new video evidence from a neighbor’s Ring doorbell camera showing a mysterious vehicle lurking near Nancy’s upscale Catalina Foothills home in Tucson, Arizona, around the time she vanished.

Pima County Sheriff Chris Nanos dropped the explosive update in an exclusive interview, declaring investigators are “definitely closer” to unmasking the suspect — or suspects — behind what is now being treated as a brazen abduction.

The masked figure caught on Nancy’s own Nest doorbell footage — armed, gloved, and carrying a suspicious backpack — has haunted the public since the FBI released the eerie stills and clip earlier this month. But this latest breakthrough, a shadowy car prowling the quiet street in the dead of night, has detectives buzzing with fresh hope — and fresh dread.

“We’ve got a lot of intel, a lot of leads, but now it’s time to just go to work,” Sheriff Nanos told NBC’s Today show. “But we need to know where she is.”

The nightmare began on the evening of January 31, 2026, when family members — including Savannah’s brother-in-law Tommaso Cioni — dropped Nancy off at her secluded home after a routine family dinner. She was last seen around 9:45 p.m., waving goodbye as the car pulled away.

By noon the next day, alarm bells rang when the spry 84-year-old failed to appear for a planned online church service at a friend’s house. Relatives rushed over, only to find her phone, medications, and other essentials abandoned inside — with no sign of Nancy.

What they did find chilled them to the bone: bloodstains confirmed to belong to Nancy, splattered in what investigators believe was a violent struggle.

The case exploded into national headlines almost immediately, fueled by Savannah Guthrie’s heartbreaking public pleas. The Today star, who has barely appeared on air since the ordeal began, posted emotional videos begging for her mother’s return.

“Someone knows how to find our mom and bring her home. Call 1-800-CALL-FBI,” she urged in one tearful Instagram message, as the family upped the reward to a staggering $1 million — payable in cash — for information leading to Nancy’s recovery.

Multiple ransom notes demanding cryptocurrency payments surfaced early on, with deadlines that came and went without any sign of life. The FBI has dismissed some as hoaxes but hasn’t ruled out the possibility that the real kidnapper is still watching.

Disturbing twists have piled up relentlessly. A glove recovered near the property tested for DNA — only for authorities to trace it back to an innocent restaurant worker miles away, ruling him out in another frustrating dead end.

Searches have scoured the Arizona desert using specific cell tower coordinates, with teams even hunting for signs of a body in remote areas. Volunteers, online sleuths dubbed “mom detectives,” and even proposals from groups like the Cajun Navy have flooded in, desperate to help.

Yet despite 400+ FBI agents and sheriff’s deputies combing neighborhoods, reviewing thousands of tips, and analyzing advanced genealogy data, Nancy remains missing more than a month later.

The family marked the grim one-month milestone by visiting a growing tribute of yellow flowers, cards, and prayers outside Nancy’s home. Savannah, her sister Annie, and Tommaso were seen laying bouquets, tears streaming, in aerial footage that captured the raw agony of a family clinging to hope.

“We are holding out hope that she is found alive,” Savannah said in a recent post. But with each passing day, the fear grows that time is running out for the beloved grandmother who vanished without a trace.

Who could target an 84-year-old woman with limited mobility in her own home? Was it a random predator, a targeted ransom plot tied to Savannah’s fame, or something far more sinister?

Investigators insist the family has been fully cleared — no spouses, no relatives are suspects. But the lack of arrests has only intensified the anguish.

As the search barrels into its second month, the world watches, prays, and waits for the next bombshell in what has become one of America’s most haunting missing persons cases.

Nancy Guthrie — a mother, grandmother, and pillar of her community — deserves to come home.

Anyone with information is urged to contact the Pima County Sheriff’s Department at 520-351-4900 or the FBI at 1-800-CALL-FBI.

Our hearts break with every update. Bring Nancy home.