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Hair sample found at Nancy Guthrie’s home inconclusive as search for missing mother hits 6-month mark

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A hair sample that underwent forensic testing after being found at the Tucson, Arizona, home of Nancy Guthrie, the missing mother of “Today” show co-host Savannah Guthrie, came back inconclusive and did not point to a suspect, the sheriff overseeing the local investigation told CBS News on Thursday.  “It came back with no results,” Pima County Sheriff … Read more

Epidemiologist explains how cyclospora test on lettuce sample might have resulted in false positive

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Epidemiologist Ben Miller joins “The Daily Report” to explain how the FDA’s testing of a sample of Taylor Farms’ lettuce could have resulted in a false positive for cyclospora, as the FDA said it did on Sunday. The FDA said Monday that its investigation and data “continue to converge on shredded iceberg lettuce from Taylor … Read more

Taylor Farms lettuce sample that tested positive for cyclospora was a false positive, FDA says

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A sample of lettuce from Taylor Farms that had tested positive for cyclospora was a false positive, the Food and Drug Administration said Sunday. “Due to the complexity in detection of Cyclospora, FDA laboratory experts re-reviewed the sample results and have concluded that the finding does not represent true amplification and should be considered a … Read more

FDA says Taylor Farms lettuce sample tested for cyclospora produced false positive for the parasite

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A sample of lettuce from a supplier that has recalled products as a result of a multi-state cyclospora outbreak produced a false positive result for the parasite, federal officials said Sunday. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. The false positive was discovered when the U.S. Food … Read more

Could a DNA sample from more than 30 years ago solve the infamous yogurt shop murder case?

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CASE UPDATE: In September 2025, the Austin Police Department identified Robert Eugene Brashers, a serial killer and rapist, as the suspect in the Texas yogurt shop murders. Brashers, who is deceased, was tied to the murders through DNA testing. On Feb. 19, 2026, a judge declared innocent the four men who were wrongfully accused of the murders — formally … Read more