Bryan Kohberger on Jan. 3, 2023.Photo: Matt Rourke/AP/Shutterstock

Mandatory Credit: Photo by Matt Rourke/AP/Shutterstock (13694852g) Bryan Kohberger, who is accused of killing four University of Idaho students, is escorted to an extradition hearing at the Monroe County Courthouse in Stroudsburg, Pa Four Dead University of Idaho, Stroudsburg, United States - 03 Jan 2023

In newly unsealed search warrant records, authorities detailed the items they seized fromBryan Kohberger’sresidence after he was arrested and charged with themurders of four University of Idaho students.

The search warrant states that no items were seized from Kohberger’s office.

In the documents, investigators listed the reasons why they requested a search warrant for Kohberger’s home, stating that the King Road residence where Kaylee Goncalves, 21, Madison Mogen, 21, Xana Kernodle, 20, and Ethan Chapin, 20, were stabbed to death “contained a significant amount of blood from the victims including spatter and castoff (blood stain pattern resulting from blood drops released from an object due to its motion).”

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So far, the weapon used in the killings has not been found.

Kohberger is accused of murdering Goncalves, Mogen, Kernodle, and Chapin, in an off-campus home in Moscow, Idaho around 4 a.m. on Nov. 13, 2022.Two additional roommateswere home during the attack but were unharmed.

Ethan Chapin, Madison Mogen, Kaylee Goncalves and Xana Kernodle.

Ethan Chapin, Xana Kernodle, Madison Mogen, and Kaylee Goncalves

The probable cause affidavitin the case alleges that Kohberger was linked to the crime scene with DNA evidence found on a knife sheath left behind, cell phone pings and surveillance videos.

At the time of his arrest, Kohberger was a Ph.D student at Washington State University studyingcriminal justice and criminology. The university, which is in Pullman, Wash., is approximately eight miles away from the residence in Moscow, Idaho where the four students were killed.

On Jan. 12, Kohbergerwaived his right to a speedy preliminary hearingand will return to an Idaho courtroom on June 26, 2023.

No motive for the slayings has been released at this time, but an investigator familiar with the casetold PEOPLEthat Kohberger sent a series of messages to one of the victims on Instagram.

source: people.com