I Know Who You Are, How an Amateur DNA Sloot Unmasked the Golden State Killer and Changed Crime Fighting Forever

Dr. Barbara Ray Venter is the author of I Know Who You Are, How An Amateur DNA Sloot Unmasked the Golden State Killer and Changed Crime Fighting Forever. She uses a combination of DNA and traditional family history type research to identify suspects in violent crimes and identify human remains. "We also can obtain DNA from rootless hair," she says.