TUCSON, Airzona — Cops investigating the disappearance of Savannah Guthrie’s mom Nancy searched a septic tank behind her house Sunday, with drone footage showing them opening a manhole cover in the backyard.

Three detectives were spotted sticking a long pole down the manhole behind the house, although no further information has been released on what they were looking for.

An official police vehicle was also spotted outside the residence at around 11 a.m. local time.

A manhole is inspected by a law enforcement officer as the search for Nancy Guthrie continues.

Detectives searching the area behind Nancy Guthrie’s house on Feb. 8, 2026.Andy Johnstone for California Post

They later left empty-handed. It’s not clear what led them to search the septic tank, or whether they had opened it previously.

A ransom note, sent to several news outlets, demanded $6 million worth of bitcoin by Monday at 5 p.m. local time.

The letter, which has not been verified, also gave details about Nancy’s home.

Nancy Guthrie was last seen after being dropped off at her house last Saturday night.

Savannah Guthrie and her siblings released a second video message to their mother’s abductors on Feb. 7.

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“We have received your message and we understand,” the “Today” show host said in the video shared with her 1.5 million Instagram followers.

“We beg you now to return our mother to us so that we can celebrate with her,” she said.