A DNA profile recovered from gloves found during the investigation into the disappearance of Nancy Guthrie in Arizona that was submitted to a national database maintained by the FBI didn’t come back with any matches, the Pima County Sheriff’s Department said Tuesday.
The profile was submitted to the database known as CoDIS, or Combined DNA Index System, Tuesday morning, the sheriff’s department said. The department said in a statement that there have been no confirmed CoDIS matches in the investigation at this point.
Additional DNA evidence that was found at Guthrie’s home was also being analyzed, the sheriff’s department said. It also noted the DNA from the gloves did not match the DNA found at the property.
The DNA profile of an unknown male was recovered from gloves that investigators found about 2 miles from Guthrie’s home, according to the FBI. The glove appeared to match the ones seen on the suspect in Guthrie’s Nest doorbell camera video.
The DNA database could have provided a match if the individual had a previous arrest for certain crimes and supplied a DNA sample that put him into the system.
The gloves were found in a field near a roadside, the FBI said. It was one of 16 gloves found in various areas during the search, but most of them were determined to belong to investigators who had discarded them, the FBI said.
Also Tuesday, the sheriff’s department confirmed that investigators are attempting to locate Guthrie’s heart pacemaker and are working with the manufacturer and experts in the field. Law enforcement sources had told CBS News that one of the high-tech tools investigators have deployed in its search is a tracking device known as a “signal sniffer” in an effort to detect possible signals from the pacemaker.
Officials said Guthrie’s pacemaker app showed a disconnect from her phone at 2:28 a.m. on Feb. 1, the day she was reported missing.
The sheriff’s department also said investigators are working with Walmart to identify the individual who purchased the backpack the suspect was carrying in the doorbell camera video.
The FBI identified it as a black, 25-liter Ozark Trail Hiker Pack backpack, and CBS News first reported that it is sold exclusively at Walmart.
Pima County Sheriff Chris Nanos told CBS News the backpack was “one of the most promising leads” in the case.