Investigators say a hair found in Nancy Guthrie’s home is not linked to a suspect and does not produce a usable DNA profile from testing. ABC News reports that investigators have determined the hair is not connected to the person considered in the case, leaving the biological evidence from the home as a mixed DNA sample. Fox News adds that DNA testing on the hair sample from the home could not be profiled. Together, the reports indicate that authorities have been able to analyze the hair but have not generated a definitive genetic match that can be compared to a suspect. Officials also describe the hair evidence as potentially still valuable as the investigation continues, even though it is not currently usable for profiling. The case therefore moves forward without a clear DNA link from this specific hair, while investigators rely on other evidence and additional testing to determine how the hair may fit into the abduction investigation.