What is single source DNA? Internet compares case against suspect Bryan Kohberger to Lukis Anderson trial
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MOSCOW, IDAHO: The evidence against suspect Bryan Kohberger has been dubbed "confusing" by web sleuths who argue that it is a "single source DNA profiling". Kohberger's preliminary hearing is in June for the Idaho murders.
On November 13, 2022, Kaylee Goncalves, 21, Madison Mogen, 21, Xana Kernodle, 20, and Ethan Chapin, 20, were all found dead at the rented house they shared off-campus near the University of Idaho. But now, as more and more details come to light about the investigation, people have started to speculate if Bryan Kohberger is innocent just like Lukis Anderson, who was also charged with a brutal crime he didn’t commit.
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What is a single source DNA?
According to Pubmed.gov, a single-source DNA profile uses single-source profiles from individual and agglomerated cells from various touched objects and clothing items belonging to known donors. It then used the same methodology to find a single source of male donor DNA in a mixture of samples of simulated physical contact and assault.
What happened to Lukis Anderson?
According to The Marshall Project, based on DNA evidence, a homeless man called Lukis Anderson was accused of killing Silicon Valley multimillionaire Raveesh Kumra in December 2012. The crime entailed a potential death penalty. Anderson, though, was innocent. As Anderson was hospitalized and under close medical monitoring the night of the murder in November, he had a good alibi. Anderson was intoxicated and on the verge of going into a coma.
Later, his legal team discovered that the paramedics who had arrived at Kumra's house had brought his DNA to the crime scene. They unintentionally ‘planted’ his DNA at the crime scene more than three hours later when they treated Anderson earlier that day, which let investigators believe that Lukis was the prime suspect.
Bryan Kohberger’s case
People also started to compare Kohberger’s case to Lukis as even for the Idaho investigation, investigators used the same single-source DNA method to identify Bryan Kohberger as the prime suspect in the quadruple murder.
One person wrote on Reddit, “You’ve got questionable DNA (if there’s any interest in preserving even the illusion of credibility in the criminal justice system, touch DNA will soon go the way of polygraphs in terms admissibility due to the fact that it’s prejudicial junk science.” “Fair point, if he bled or drooled or sweated on the snap, that would be more compelling evidence. If it’s just epithelial DNA, that is hardly evidence at all. I’ll be curious to see what they eventually specify,” yet another user remarked.