TUCSON, Ariz. — Pima County Sheriff Chris Nanos expressed cautious optimism Wednesday that investigators are "getting closer" to solving the disappearance of 84-year-old Nancy Guthrie, even as the case passed the 100-day mark with no arrest and limited public breakthroughs.

Speaking at a brief update outside the sheriff's office, Nanos described the high-profile investigation as active and progressing on multiple fronts, including advanced DNA analysis, digital forensics and hundreds of tips still being pursued. "We are getting closer," he said. "This is not a cold case. This is a very active investigation."

Nancy Guthrie was reported missing Feb. 1 after she failed to appear for a planned church service viewing with friends. Security footage from her Catalina Foothills home showed a masked individual tampering with her doorbell camera the night before. Blood was discovered on the porch, and authorities believe she was abducted. A Bitcoin ransom demand followed shortly after but yielded no results.

The case has drawn intense national attention largely because Nancy is the mother of NBC's "Today" show co-anchor Savannah Guthrie. The family offered a $1 million reward, later supplemented by the FBI's $100,000. Savannah has remained largely silent publicly on investigative details but posted an emotional Mother's Day message: "We will never stop looking for........

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