Earlier in the investigation, the sheriff’s department submitted a sample to the Federal Bureau of Investigation for comparison against its Combined DNA Index System. That search did not produce a match, and authorities later ruled out any connection based on that sample. Investigators also identified a separate mixed, partial DNA sample that was not strong enough to generate a profile suitable for CODIS.
More than 11 weeks after the disappearance, officials say it remains unclear what additional information the available DNA evidence may yield