Former FBI special agent says “fairly routine” to see people detained as investigators follow leads

With investigators probing Nancy Guthrie’s disappearance parsing through thousands of tips, retired FBI Supervisory Special Agent Richard Kolko tells CNN it would be “fairly routine” to see people temporarily detained and released.

The Pima County Sheriff’s Department confirmed today a federal court-ordered search warrant was carried out at a residence last night “based on a lead” investigators received but no arrests were made.

How genetic genealogy could come into play in Nancy Guthrie case, according to experts

A person signs a banner that reads "Bring her home" and shows a photo of Nancy Guthrie at the KVOA newsroom, where Savannah worked earlier in her career, in Tucson, on February 12.

A person signs a banner that reads “Bring her home” and shows a photo of Nancy Guthrie at the KVOA newsroom, where Savannah worked earlier in her career, in Tucson, on February 12.
Rebecca Noble/Reuters

As investigators work to determine who the DNA they have in the Nancy Guthrie case belongs to, they may turn to genetic genealogy to give them a lead, experts say.

True crime streamers “keep the attention” on Nancy Guthrie’s disappearance

John DePetro during an interview with CNN on Saturday in Tucson, Arizona.

John DePetro during an interview with CNN on Saturday in Tucson, Arizona.
CNN

As the search for Nancy Guthrie continues into its second week, true crime streamers and podcasters have descended on Arizona alongside traditional media outlets.

Community members continue to show support for Guthrie family as the agonizing search drags on

People deliver flowers to a makeshift memorial at the entrance to Nancy Guthrie's residence on Thursday in Tucson, Arizona.

People deliver flowers to a makeshift memorial at the entrance to Nancy Guthrie’s residence on Thursday in Tucson, Arizona.
Brandon Bell/Getty Images

Tucson residents have been visiting the makeshift tribute site in front of the home of Nancy Guthrie, who has been missing for two weeks, leaving flowers, notes and even a cherub as they hope for her safe return.

No arrests after last night’s search near Nancy Guthrie’s home. Here’s what else we know

A Pima County sheriffs official stays outside of Nancy Guthrie‘s home on Saturday, in Tucson, Arizona.

A Pima County sheriffs official stays outside of Nancy Guthrie‘s home on Saturday, in Tucson, Arizona.
Ty O’Neil/AP

Suspect’s physical profile: The FBI released doorbell footage showing a masked figure outside Guthrie’s front door, describing the suspect as a male approximately 5’9” to 5’10” tall with an average build. The man was wearing dark clothing, black gloves, sneakers and a black, 25-liter “Ozark Trail Hiker Pack” backpack, the bureau said.
DNA discovered: Forensic teams uncovered DNA at Guthrie’s home that does not match her or anyone in her immediate circle. Authorities said it is currently undergoing laboratory analysis, along with multiple pieces of evidence including several gloves, which were found as far as 10 miles away.
Tips and more tips: More than 30,000 tips have flooded in since the case began two weeks ago, and authorities say each lead is being carefully assessed.

Guthrie is a leader, friend says: Guthrie’s sudden and shocking absence has left a hole not only in the lives of her family, but the many people who she worked with to advance causes she cared deeply about.
Flowers a little different this Valentine’s Day: A memorial of candles and yellow roses is growing outside of her home as the community rallies together.

Suspect has to be “looking over his shoulder,” former FBI special agent says

FBI and SWAT units perform operations in a neighborhood approximately two miles from Nancy Guthrie's residence in Tucson, on Friday.

FBI and SWAT units perform operations in a neighborhood approximately two miles from Nancy Guthrie’s residence in Tucson, on Friday.
Brandon Bell/Getty Images

While Friday’s late-night law enforcement operation related to the disappearance of Nancy Guthrie did not lead to an arrest, a former FBI hostage negotiator called the development “great news.”

Take the “leap” and call police if you think you could help, retired FBI agent says

A combination of images captured by a security camera show what the Federal Bureau of Investigation (FBI) describes as an armed individual appearing to have tampered with the camera at Nancy Guthrie's front door the morning of her disappearance on February 1.

A combination of images captured by a security camera show what the Federal Bureau of Investigation (FBI) describes as an armed individual appearing to have tampered with the camera at Nancy Guthrie’s front door the morning of her disappearance on February 1.
Pima County Sheriff’s Department/Handout/Reuters

With chilling video showing an armed man outside Nancy Guthrie’s home, it’s important to pick up the phone and call law enforcement if you recognize something, retired FBI agent Richard Kolko told CNN’s Fredricka Whitfield.