Chris Nanos

Nancy's pacemaker app shows that it was a disconnect from the phone.

And at 11.56 a.m., the family checks on Nancy and discovers her missing.

And at 12.03 p.m., 911 is called in to the Pima County Sheriff's Department.

Let's hear it from the horse's mouth.

The doorbell camera, it was removed.

We know that, but we're not confirming that any cameras were smashed or destroyed around the house.

Noting officials are taking a ransom letter seriously, but it made an arrest from an imposter ransom demand.

Pima County Sheriff Chris Nanos says blood on the porch matched the 84-year-olds, revealing at 1.47 a.m.

Sunday, her doorbell camera disconnected.

Shortly after, her pacemaker app disconnected from a phone, adding they spoke with an Uber driver, but there is no suspect or person of interest.

What would you say to someone who, if they're holding Nancy Guthrie right now, what's your message to them?

Do you have any reason to believe this was targeted?

We do believe that Nancy was taken from her home against her will.

Pima County Sheriff Chris Nanos said in his latest update, as they look for Nancy Guthrie, mother of Today Show anchor Savannah Guthrie, police are now finished processing the crime scene.

FBI Assistant Special Agent in Charge in Tucson, John Edwards, said their support of the investigation includes... Downloading and analyzing cell phones, obtaining cell tower information, conducting interviews.

Sheriff Nanos did not give any specifics on evidence, nor did he answer whether he believes Nancy Guthrie is still alive.

We saw a

some things at the home that were concerning to us.

We believe now after we process that crime scene that we do in fact have a crime scene, that we do in fact have a crime.

Pima County, Arizona Sheriff Chris Nanos said that's what the scene at the home of 84-year-old Nancy Guthrie indicates.