We are breaking down one of the most critical forensic developments in this case_.

DNA Evidence Just Revealed Something Investigators Didn't Expect Day 22 in the Nancy Guthrie case — and the DNA evidence is more complicated than anyone expected. Investigators are now dealing with co-mingled samples, delayed lab results, and mounting pressure as the search intensifies. Tonight we break down what this means for the investigation, what the FBI and Pima County Sheriff’s Office are really looking at, and whether science will finally deliver answers.