A man from Washington state was found guilty of killing a young Canadian couple in 1987.
jury members deliberated more than two days before they found William Talbott II, 56, guilty of murdering Tanya Van Cuylenborg, 18, and her friend, Jay Cook, 20, reported the Daily Herald.
Talbott was only arrested last year when the authorities said they were using a genealogy website to identify him as the person who left his DNA with one of the victims.
The former truck driver from Seattle-Tacoma was found guilty of two counts of first-degree murder.
When sentenced on July 24, he is likely to be confronted with life in prison.
William Talbott II, 56, from Seattle-Tacoma, Washington, was found guilty on Friday of two cases of first-degree murder. Pictured: A subdivision of Snohomish County Sheriff helps Talbott with a wheelchair after being found guilty
He was convicted of the murders of Tanya Van Cuylenborg, 18 (left), and her friend Jay Cook, 20 (right), in November 1987. The couple from Saanich, British Columbia, were on a night trip to Seattle when they found Death
Prosecutors said that on November 18, 1987 Van Cuylenborg and Cook drove a van from their home town of Saanich in British Columbia to Seattle for an overnight stay.
When they did not return, their families began desperately searching for them, including renting an airplane to try and see the copper-colored Ford bus they had driven.
About a week later, Van Cuylenborg's body was found in a dyke in rural Skagit County, north of Seattle.
She was naked from the hips and shot in the back of the head.
Two days later, hunters found Cook dead in a brush near a bridge over the Snoqualmie in Monroe, about 60 miles from where his girlfriend was discovered.
He was beaten with stones and strangled with twine and two red collars, the authorities said.
The couple's van was found in Bellingham, Washington, near a bus station. Van Cuylenborg's pants were in it and researchers found sperm on the underside.
Talbott & # 39; s partial palm print was also found on the van, reported KIRO 7.
The couple's van was found in Bellingham, Washington, near a bus station. Van Cuylenborg's pants were in it and researchers found sperm on the underside. Pictured: Van Cuylenborg and Cook for their van
The case became cold until researchers used a genealogy website to build a family tree and find the suspect
When Talbott was named a suspect, investigators started running after him, saw him take a coffee cup (photo) and tested the DNA from the cup – and found it to match the DNA found at the crime scene.
Snohomish County Deputy Prosecutor Matt Baldock said in court that their families might never know anything about what happened. But he argued that the question who did it was the answer.
A genealogist, Cece Moore, used a public genealogy site, GEDMatch, to find distant relatives of the man who left his DNA.
She determined from the family tree that she built that the suspect had probably reported the male child of William and Patricia Talbott from Monore, Washington KOMO News.
Talbott II was their only male son and 24 at the time of the murders.
When Talbot (pictured, May 2018) is convicted on July 24, he is likely to be confronted with life in prison
Investigators started running after him, saw him take a coffee cup, and tested the DNA from the cup – and found it to match the DNA found at the crime scene.
The same process has been used to make dozens of arrests in cold cases, perhaps the most well-known fact of Joseph James DeAngelo, the so-called Golden State Killer.
The defense suggested that Talbott's sperm could end up at the crime scene – on the trousers in the van, and on Van Cuylenborg – on consensual sex.
Defense lawyer Rachel Forde said the police over the years & # 39; tunnel vision & # 39; developed humans, clearing people up as suspects because their DNA did not match the sperm.
& # 39; They never stopped to think that the person who left the DNA might not have been the murderer, & # 39; said Forde.
But prosecutors claim that the sperm is evidence that Talbott has raped Van Cuylenborg.
Welke Under what circumstances does the suspect arrive in the van for a consensual sexual encounter with Tanya? Where's Jay? What does he think of it? "Said Snohomish County Deputy Prosecutor Matt Baldock, according to KIRO 7.
De Herald reported that Talbott, after reading the guilty verdict, faltered and was pushed out of the courtroom with his wheelchair.
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