As the search for Nancy Guthrie enters its 46th day, investigators have analyzed new footage recovered from surveillance cameras at her home and asked a neighbor about video footage from a week before her disappearance.

NBC News correspondent Liz Kreutz reported on TODAY March 18 that two people briefed on the matter told NBC News that investigators have been able to retrieve additional images from some of the other cameras on Guthrie’s property but they do not show suspicious activity.

Here’s what to know.

Additional Footage Does Not Show Suspect From Previous Surveillance Video

The two people briefed on the matter who spoke with NBC News said the additional footage that was recovered from the other surveillance cameras on Guthrie’s property does not show any new suspicious activity or any other movement from the night the mother of TODAY’s Savannah Guthrie was abducted from her home outside Tucson, Arizona.

She was last seen Jan. 31 and reported missing by family Feb. 1.

The person previously seen on doorbell camera video in front of Nancy Guthrie’s home wearing a ski mask, backpack and holster on the night she disappeared does not appear in any of the newly recovered footage, the two people briefed on the matter told NBC News.

The previously released doorbell footage remains the only known images that authorities have of the suspect.

The Latest on Investigators Asking Neighbors About Video Footage from Certain Dates

Investigators previously put out a call asking residents in Guthrie’s neighborhood to submit any potentially relevant video footage going back to Jan. 1, a month before Guthrie’s abduction.

Kreutz said on TODAY that neighbors told NBC News that investigators have visited their homes and asked about specific dates, primarily the weekend Guthrie disappeared as well as Jan. 11.

One neighbor told NBC News she was also asked about footage from Jan. 24, a week before Guthrie was last seen. However, five other neighbors told NBC News they were not specifically asked by investigators about any footage from Jan. 24.

The Pima County Sheriff’s Department and the FBI have not said if or why they are asking about those specific dates.

Investigators are still looking at the possibility that the suspect visited Guthrie’s home prior to her abduction.