Investigators searching for Nancy Guthrie, the mother of "Today" show co-host Savannah Guthrie, have uncovered several notable pieces of evidence as they try to identify a suspect.

Marcelino Mauro Vera Ramirez pleaded guilty to charges after recording a woman and his 14-year-old daughter, the Clackamas County District Attorney's Office said.

From chilling surveillance footage and alleged ransom notes to DNA and a collection of gloves, here’s a look at what we know about the evidence in the Nancy Guthrie investigation.

It’s been nearly three weeks since Nancy Guthrie vanished from her secluded Tucson, Arizona, home in the dead of night, and ...

Nancy Guthrie has been missing for 19 days as federal and local authorities pursue leads, review video evidence and offer a $100,000 reward.