An unexpected DNA profile recovered from gloves found near Nancy Guthrie’s home did not match any entries in the FBI’s national CODIS database, leaving investigators with a fresh but unresolved lead.

A member of the FBI's Evidence Response Ream searches an area around Nancy Guthrie's residence in Tucson, Ariz., on Feb. 11. Police say that DNA samples have been recovered in and around Guthrie's ...

Nearly two weeks after Nancy Guthrie disappeared from her Tucson, Arizona, home, law enforcement says a glove found not far from the residence did not match any DNA in the government’s criminal ...