What Could Come Next In The Investigation Into Nancy Guthrie's Disappearance - Beritaja

On the greeting of Feb. 1, Nancy Guthrie was expected astatine a friend’s location successful Tucson, Arizona, to watch a livestreamed religion service, arsenic she did about Sundays.

But erstwhile the 84-year-old mother of “TODAY” co-host Savannah Guthrie ne'er showed up, those friends alerted her children — spurring a missing personification investigation that remains unresolved 3 weeks later.

The ongoing investigation into the disappearance of Guthrie, who was past seen about 9:45 p.m. Jan. 31 aft having meal pinch her family, now involves local, authorities and national rule enforcement agencies and has garnered world attention. All members of the Guthrie family — including her 3 children, who person made pleas online for her return and person said they are consenting to salary to get her back, and their spouses — have been cleared arsenic imaginable suspects successful the case, according to Pima County Sheriff Chris Nanos.

While authorities judge Guthrie was perchance taken from her home, nary suspects aliases persons of liking person been publically identified. DNA from her location does not lucifer immoderate samples successful an FBI database, and authorities are still asking for the public’s thief to place a man seen successful images and videos captured by Guthrie’s doorbell camera the greeting she disappeared.

Law enforcement officials and news reporters extracurricular Guthrie's location past week. The aggravated nationalist liking successful Guthrie's disappearance has helped spur an influx of tips to investigators. Joe Raedle / Getty Images

Investigators, however, person said the suspect’s gun, its unsocial holster and a backpack — which is exclusively sold astatine Walmart — could beryllium the champion clues and champion ways to find answers.

In an question and reply pinch Beritaja connected Sunday, Nanos said authorities are getting person to identifying the different articles of clothing seen successful the doorbell camera video, including shoes, pants, garment and jacket.

While updates successful the investigation person slowed, experts told Beritaja that officials still person plentifulness of avenues to prosecute arsenic the hunt stretches into its 4th week.

Identifying a fishy done forensic familial genealogy

Investigators person identified aggregate sources of DNA successful and about the crime scene, but testing has yielded nary results, starring them to return deeper steps to move the lawsuit forward.

A mitt was recovered 2 miles from Guthrie’s location that appeared to lucifer the brace that the man successful the doorbell video was wearing. The Pima County Sheriff’s Department, however, revealed that the DNA recovered connected the mitt did not lucifer any DNA successful the Combined DNA Index System (CODIS), which has 19 cardinal offender DNA profiles nationally and much than 1 cardinal forensic profiles. From Arizona alone, location are much than 434,000 offender profiles successful CODIS, according to the FBI.

Officials opportunity they are now testing DNA recovered astatine Guthrie’s home — which did not lucifer her aliases anyone who was known to beryllium location precocious — through a process called forensic familial genealogy successful the hopes of identifying a suspect. The DNA sample is mixed, Nanos said, meaning it contains familial accusation from astatine slightest 2 group and could return longer to test.

“We judge that we whitethorn person immoderate DNA location that whitethorn beryllium our suspect, but we won’t cognize that until that DNA is separated, sorted out, possibly admitted to CODIS, possibly done familial genealogy,” he said.

Dr. David Mittelman, a familial genealogist and CEO of Othram Inc., explained that this process takes DNA — usually recovered astatine crime scenes — and first converts it into code. Then it is entered into a database containing DNA samples from a fewer cardinal group and 500,000 familial markers.

Security video from Guthrie's location released by the FBI. Investigators person identified aggregate sources of DNA successful and about the crime scene, but testing has yielded nary results.Kash Patel via X

From that data, the strategy creates a family character based connected that person’s DNA markers, matching the chartless fishy pinch imaginable relatives to constrictive down who investigators whitethorn beryllium looking for.

While the lucifer is not ever exact, Mittelman said that astatine the very slightest it will constituent officials to a adjacent comparative of the personification whose DNA was tested, narrowing down the fishy excavation successful a awesome way. He said this is called an “identity hypothesis.”

“So successful the worst-case scenario, it’ll link you to a very adjacent relative, and the best-case script gets it to your person,” he said.

Then, it’s up to investigators to place and mobility that personification to find whether they are a existent suspect.

Mittelman added that it is imperative that investigators cautiously get capable DNA from the segment and emphasized the value of moving accelerated to place a taxable early successful an investigation.

Othram often useful pinch rule enforcement agencies to thief lick crimes, including creating the floor plan for Bryan Kohberger, the man who slaughtered 4 University of Idaho students successful 2022. Mittelman declined to remark connected whether Othram is moving pinch rule enforcement connected the Guthrie case.

CeCe Moore, a familial genealogy expert, said that the process could return from hours to months to complete, but that erstwhile results do travel in, they will beryllium conclusive. She added that she is “extremely hopeful” that this process will place a suspect.

“If I was the kidnapper, I would beryllium highly concerned correct now, because utilizing investigative familial genealogy, he will beryllium identified. It’s conscionable a matter of time,” she said.

Following leads and listening to the public

Nanos connected Sunday characterized the investigation arsenic expanding alternatively than shrinking, pinch detectives continuing to process evidence.

The aggravated nationalist liking successful Guthrie’s disappearance has helped spur an influx of tips to investigators.

The Pima County Sheriff’s Department and the FBI opportunity they person received tens of thousands of nationalist leads since Guthrie went missing. The FBI is offering a $100,000 reward for immoderate accusation that leads to Guthrie aliases to the apprehension of those who took her, and an further $102,500 reward is being offered done Tucson Crime Stoppers, known locally arsenic 88-CRIME.

Investigators person said they are already pursuing leads based connected gathered evidence, including moving pinch Walmart to place who whitethorn person purchased the backpack seen pinch the man successful the doorbell video.

They person besides been trying to way the weapon the man was carrying. Firearms master John Correia said it appeared to beryllium held successful a cosmopolitan fresh holster and isn’t 1 an knowledgeable weapon proprietor would use.

Chris Burbank, a erstwhile constabulary main successful Salt Lake City, said that if he were investigating the case, he would besides allocate resources to analyse unverified ransom notes that person apparently been sent to aggregate news outlets. Beritaja has not independently verified these ransom notes, and rule enforcement has not said whether they are legitimate.

A lamppost successful beforehand of Guthrie's residence successful Tucson connected Saturday. Considering the thousands of leads still disposable successful the case, it isn't astatine an contiguous consequence of being put connected the backmost burner.Joe Raedle / Getty Images

He besides said investigators could usage artificial intelligence to way immoderate societal media leads because “most of the time, group progressive successful this time off immoderate benignant of societal media trail.”

“We’ve gathered each the beingness evidence, we’ve done each that I could deliberation of astatine the segment successful the area, now it’s clip — let’s really commencement combing each different spot of accusation that exists retired location successful the world,” Burbank said.

The investigation remains acold from going acold

Three rule enforcement experts who said to Beritaja each emphasized that while investigators person not made an apprehension aliases recovered Guthrie, the lawsuit is acold from going cold.

“I would beryllium really amazed if a lawsuit this high-profile gets shelved earlier six months, a year,” Burbank said.

All agreed that officials ne'er want a lawsuit to spell cold, because the longer the investigation remains active, the much news sum it will garner, starring to continued attraction connected the lawsuit and, therefore, continued tips and assistance from the public.

A lawsuit is considered acold only erstwhile each disposable leads person dried up, and location is nary further grounds to analyze. Considering the thousands of leads still disposable successful the Guthrie case, it is not astatine an contiguous consequence of being put connected the backmost burner.

At immoderate point, though, erstwhile investigators person ruled retired each imaginable suspects, “you’re going to commencement putting your resources elsewhere, because location are different cases that you person a higher percent of solving,” Burbank said.

Anne E Schwartz, a rule enforcement communications master and erstwhile journalist who first reported connected serial slayer Jeffrey Dahmer’s case, added that the nationalist whitethorn spot “a small, gradual drawdown of resources” erstwhile investigators person cleared each leads.

Burbank noted that high-profile cases specified arsenic this 1 will ne'er spell 100% acold because location will ever beryllium a detective dedicated to fielding calls and resources moving successful the inheritance to proceed solving it.

Last week, Nanos suggested thing similar.

“As agelong arsenic we person the expertise to pursuit a lead, it’s not cold,” he said. “We’re not going to springiness up. We’re going to find Nancy, and we’re going to find retired who did this.”