NEWYou can now listen Fox News articles. A San Francisco forensics laboratory that helped crack the Long Island Serial Killer case is now believed involved in the search to find answers after the suspected abduction and murder of Nancy Guthrie, in Tucson, Arizona. Gilgo Beach killer Rex Heuermann pleaded guilty this month after his defence failed to overcome groundbreaking evidence collected from rootsless hair samples. CeCe Moore is one of the nation’s top genetic genealogists and works at Parabon Nanolabs, Virginia. She said, “I am confident that they will use Astrea, the lab they have had great success with.” “DLI is working to refine its own rootless analysis, but I haven’t seen any success cases yet. “NANCY GUTHRIE SHERIFF UNDER THE PRESSURE AS PETITION REQUESTS ACCESS FOR THE UNITED CAJUN NAVYShe referred to DNA Labs International (DLI), the Florida lab to which the Pima County Sheriff’s Department originally sent the samples in the days following Guthrie’s suspected kidnapping. Now that the FBI has these materials, Astrea Forensics may be on the list of specialized private laboratories that could help Astrea has a lot of trust from the FBI. Sign up to receive the TRUE CRIME NEWSLETTER. “If there’s any chance that they can solve Nancy’s kidnapping case through this laboratory, I believe it should be sent without question,” said Allison Winter a social worker, psychotherapist, and family member who has worked with the Heuermanns. Find out more on the TRUE CRIME Hub. Now, after 11 weeks of no answers, the FBI has sent the sample to Astrea for more advanced testing. Moore told Fox News Digital that sending the sample to Astrea was the safest choice. The FBI had requested the sample over two months ago. Ben Williamson is the assistant director of public relations at the FBI. “FBI asked for this DNA to be tested 2 months ago using the same technology that we’ve had in the past — but the local sheriff sent it to a lab. We will inform you of any further developments as soon as possible. “Fox News Digital contacted Astrea, but did not receive a reply immediately.FOLLOW FOX TRUE CRIME ON XAnyone who has information about Guthrie’s missing is asked to call 1-800-CALL FBI. There is a combined reward for information of more than $1 million.