Savannah Guthrie's family makes rare outing to see memorial for her mom

• Savannah Guthrie and her family visited a memorial for her mother, Nancy Guthrie, over a month after her suspected abduction.
• This was the family's first public appearance since Nancy Guthrie's disappearance, which is under investigation.
• Authorities are reviewing hours of footage but have not yet identified a suspect or motive in the case.

Law enforcement asks anyone with information to contact 1-800-CALL-FBI or tips.fbi.gov, the Pima County Sheriff's Department (520-351-4900) or 88-CRIME.

Savannah Guthrie and her family made a rare public appearance with her family to visit a memorial outside her mother Nancy Guthrie's home, which has accumulated messages of support in the month since the 84-year-old's suspected kidnapping.

Savannah Guthrie, her sister Annie Guthrie and her brother-in-law Tommaso Cioni were seen on March 2 carrying flowers of their own as deputies with the Pima County Sheriff's Department escorted them to the memorial near the front of Nancy Guthrie's home, according to a video posted by NewsNation reporter Brian Entin.

The three added their flowers to the memorial and embraced each other as Annie Guthrie appeared to softly whimper.

Savannah Guthrie shared a photo of the floral tributes on Instagram hours later, writing, "We feel the love and prayers from our neighbors, from the Tucson community and from around the country 💛 please don’t stop praying and hoping with us." She also reiterated her call to "bring [Nancy Guthrie] home."

The memorial visit appears to be the family's first public appearance since Nancy Guthrie's disappearance launched an investigation with international media interest. Savannah Guthrie and her family previously avoided the public eye during the investigation, save for several videos posted to social media addressing their mother's suspected captors as well as the general public.

None of the three appeared to give a statement to media, whose once-dominating presence outside Nancy Guthrie's house had shrunk considerably as developments on the investigation waned.

Other additions to the property included "no trespassing" signs as well as a sign for SimpliSafe, which appeared to warn would-be trespassers that any attempts to step onto the property or enter the residence could lead to legal consequences.

Law enforcement still reviewing surveillance footage, analyzing DNA

Law enforcement said detectives were reviewing "hundreds of hours" of footage shortly after media outlets shared video from a house near Nancy Guthrie's neighborhood that showed roughly a dozen cars passing by in the early morning hours of the night in which she disappeared.

The sheriff's department announced Feb. 27 that it was "refocusing resources to detectives specifically assigned to this case," according to department spokesperson Angelica Carrillo.

"As leads are developed and resolved, resource allocation may fluctuate," Carrillo said at the time.

The Sheriff's Department didn't elaborate on how it would reallocate resources or what impacts that might have on the investigation.

The FBI has asked for help in identifying a male suspect seen in security footage at Guthrie's front door. The "armed" man, described as "approximately 5'9"-5'10" tall, with an average build," was seen with a black, 25-liter "Ozark Trail Hiker Pack" backpack. Investigators have also recovered gloves that they say appear to "match the gloves of the subject in the surveillance video."

Preliminary findings from DNA collected from the gloves did not match any entries in the FBI's Combined DNA Index System (CODIS), the sheriff's department said in a Feb. 17 news release. The sample also "did not match DNA found at the property."

Sheriff Chris Nanos revealed on Feb. 13 that investigators also collected DNA from the 84-year-old's home that did not belong to her or anyone in close contact with her.

Reward totaling more than $1.2 million offered for Nancy Guthrie information

Savannah Guthrie and her family are offering a reward of up to $1 million "for any information that leads us to her recovery."

The FBI previously announced its own $100,000 reward for information leading to Guthrie's recovery "and/or the arrest and conviction of anyone involved in her disappearance." Separately, the anonymous tip line service 88-CRIME has offered a reward of up to $102,500, most of which came from an anonymous donation.

Contributing: KiMi Robinson and Brendan Morrow, USA TODAY