Experts say breakthroughs in DNA technology have played a huge role in making an arrest in the Gilgo Beach murders. Retired New York City Detective David Sarni says with advances in DNA analysis, hairs, fingernails, blood stains and other sources of DNA do not have to be in pristine condition for investigators to find a match. Investigators are still searching Huermann’s home and vehicle for evidence.
(AP Photo/Luca Bruno)