The belongings of the accused Idaho killer Bryan Kohberger have tested positive for blood.
Kohberger is accused of killing four University of Idaho students at an off-campus home in Moscow, Idaho on November 13 of last year.
The victims were Ethan Chapin, 20, Madison Mogen, 21, Xana Kernodle, 20, and Kaylee Goncalves, 21.
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Two other roommates were believed to have been in one of the shared student rooms at the time of the killings.
They were reportedly asleep during the incident and were not harmed.
28-year-old criminal justice graduate student Kohberger has since been identified as a suspect after his DNA closely matched that found on a knife sheath recovered at the crime scene.
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Mobile phone data also shows that he was in the area of the victims’ home multiple times in the months before the November attack, according to an investigator.
Kohberger was arrested in December and ordered to be held without bail.
But now, new developments have revealed that at least two items that were seized from the home of the accused have tested positive for blood, court documents have said.
Washington authorities obtained the papers on Thursday and they reveal that a number of possessions from the Washington State University student’s apartment in Pullman have been tested for blood.
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A number of items were tested and at least two came back positive.
Documents state a 'reddish/brown stain' on an 'uncased pillow' as well as a 'brown irregular drip' found on the mattress cover.
Also a 'dark red spot' was discovered on the kitchen counter near the sink - but was unable to be tested at the scene and was collected for further analysis.
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Michelle Bolger - associate professor at DeSales University, a private Catholic university in Pennsylvania - said she was 'shocked' by the news.
Speaking to the Daily Mail, the 33-year-old described Kohberger as a 'great writer' and a 'brilliant student'.
"In my 10 years of teaching, I’ve only recommended two students to a Ph.D. program and he was one of them," she said.
"He was one of my best students, ever. Everyone is in shock over this."
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She went on: "I’m shocked as s**t at what he’s been accused of. I don’t believe it, but I get it. This news is upsetting. I haven’t slept at all since hearing about Bryan."
Bolger taught Kohberger in an online class last year, supporting his master’s thesis.
Anish Vij