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Story summary
- Pima County Sheriff Chris Nanos said investigators know only about 5% of what is known about Nancy Guthrie.
- The sheriff's office and the FBI have received more than 30,000 calls in 13 days related to the case.
- Lance Leising, a retired FBI supervisory special agent, discussed the situation on The Daily Report.
- Anna Schecter, a senior producer at CBS News, engaged with viewer questions during the segment.
