India, April 11 -- More than two months after the disappearance of Nancy Guthrie, investigators are still searching for answers, but experts say evolving DNA technology could yet provide a breakthrough in the case.

Speaking on Brian Entin Investigates, genetic genealogist CeCe Moore outlined both the challenges and emerging possibilities tied to forensic analysis. She explained that mixed DNA samples, containing genetic material from multiple individuals, remain one of the biggest hurdles in cases like this.

"I think there are a lot of efforts to be able to improve our ability," Moore told Brian Entin, of de-convoluting mixed DNA samples. "Because we run into that so often with sexual assaults, or as the technology becomes more sensitiv...