It was a case she had been following for years and felt a personal connection to. "When the Golden State Killer suspect was identified through investigative genetic genealogy there were many people who said this wasn't a tool that would be used commonly in law enforcement," says CeCe Moore. But this was her first criminal case.ĬeCe Moore: I had had a lot of doubts whether this was the right thing for me to do and I finally made the decision, "OK, I'm - I'm gonna do this." But a lot was riding on that case. She's known for her work on the PBS show, "Finding Your Roots."Īnd she's famed for skills at mapping family trees. Parabon agreed to upload Individual A's DNA to GEDmatch and called in genetic genealogist CeCe Moore. The Golden State Killer's DNA had been uploaded to GEDmatch, a genetic database that allows users of various consumer test kits to share and compare their DNA.ĭet. ![]() Joseph James DeAngelo aka The Golden State Killer.Įrin Moriarty: Did a little light bulb go over your head at that moment?ĭet. The man responsible for numerous rapes and murders was finally apprehended after 43 years using genetic genealogy. …He is believed to be the so-called Golden State Killer. GAYLE KING | "CBS THIS MORNING": Investigators in California say DNA evidence led them to one of the country's most notorious serial killers. Then, in 2018, a stunning arrest in California opened new doors for law enforcement. Parabon was hired to use Individual A's DNA to create a composite sketch which gave Scharf some clues as to what the suspect could look like at the ages of 25, 45 and 65, but he still didn't have a name. Jim Scharf: They gather all that information, and they end up making a Snapshot … of what an individual with all of those traits might look similar to. The man police believed killed Tanya Van Cuylenborg and Jay Cook left behind a forensic calling card, says Lisa Collins, but still managed to elude capture for years.Īnd then in 2017, Detective Jim Scharf heard about an innovative tool developed by Parabon NanoLabs that uses DNA evidence to predict the genetic traits of an unknown suspect. And maybe in his mind, he decided that he was going to kill them too. Jim Scharf: This was a predator that was hunting for a victim that he wanted to rape. According to Detective Scharf, they were part of the killer's rape-murder kit.ĭet. The sample matched the DNA found inside Tanya's body, and would later be known as "Individual A." Investigators and forensic scientists had four crime scenes scattered over three counties, but few clues.īut the only evidence that connected all four crime scenes were plastic zip ties found near Tanya and Jay's bodies, under the porch, and inside the van. Jim Scharf: They found that there was semen on Tanya's pants … and when they examined the semen, they learned that it couldn't be left from Jay. Inside the van, they found what would ultimately be the most important piece of evidence: the black pants Tanya had been wearing.ĭet. Inside the van, investigators found what would ultimately be the most important piece of evidence: the black pants Tanya Van Cuylenborg had been wearing. Jim Scharf: There was a palm print on the back of the van that … they believed hopefully belonged to the suspect. Investigators believe the killer wore it to avoid leaving fingerprints. Tanya's body was found at the bottom of ditch in rural Skagit County, some 80 miles north of Seattle.Ī surgical glove was discovered under the porch. On November 24, six days after the couple disappeared, John's worst fears were confirmed. The site were Tanya Van Cuylenborg's body was found. I mean, the obvious things in terms of them being in hospital or something or just simply with a flat tire somewhere, all those more innocent explanations were pretty much vanishing. ![]() John Van Cuylenborg: Something was gravely wrong. Desperate for answers, John and his father joined the search in Seattle. I don't think that it ever happened … you know, if the plans had changed and she was going to spend another night … she would have called my parents.Īfter Tanya and Jay were reported missing, law enforcement began looking for them. Tanya's big brother John was at college when he got a call from his worried father.Įrin Moriarty: John, would your sister ever just go off and not call your parents? John Van Cuylenborg: We just had no idea where they might be or what might have transpired. Jim Scharf: So, when they didn't show up that evening, the families became concerned.
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