Defense attorneys for a man charged in the deaths of four University of Idaho students can resume phone surveys of potential jurors in the case, a judge has ruled.

Bryan Kohberger faces four murder charges in connection with the November 2022 stabbing deaths of Ethan Chapin, Xana Kernodle, Madison Mogen and Kaylee Goncalves. A judge has entered a not guilty plea on Kohberger's behalf, and prosecutors say they will seek the death penalty if he is convicted.

Kohberger's defense team hired a consultant to survey potential jurors living near the university about things they might have seen, heard or read about the case. The phone survey included questions about Kohberger's arrest, the type of car he owns, DNA evidence and a knife sheath found near one of the bodies. It also included questions about whether the person being surveyed had watched true crime-style shows about the case or other things they might have heard.

When prosecutors became aware of the survey earlier this year, they asked 2nd District Judge John Judge to order the defense team to stop, arguing that the surveys violated a broad gag order the judge had issued in the case. Latah County Prosecutor Bill Thompson said some of the questions could prejudice people who could be called to serve as jurors when the case goes to trial.

In a ruling issued Friday, Judge said the surveys could continue as long as the questions do not violate his gag order. Most of the questions included information already publicly available through court documents, the judge wrote in the ruling, and so did not violate the order.

Other questions about rumors people might have heard or crime documentaries they might have seen about the case were not part of the public record when the surveys began, but they have since been debated and discussed in open court - which means they, too, are now part of the public record and can be included in future surveys, Judge said.

The bodies of the four University of Idaho students were found at a rental home near campus on Nov. 13, 2022. The home has since been demolished.

Police arrested Kohberger, 29 and then a graduate student at nearby Washington State University, more than six weeks later at his parents' home in eastern Pennsylvania, where he had gone for winter break.

Last week, a court filing revealed that Kohberger's lawyers plan to use cellphone tower data to show he was not at the location where the murders occurred. The documents allegedly providing an alibi for Kohberger stated he "was out driving in the early morning hours of November 13, 2022; as he often did to hike and run and/or see the moon and stars. He drove throughout the area south of Pullman, Washington, west of Moscow, Idaho including Wawawai Park."

The document said a cell site location information expert will testify that cell tower data shows "Kohberger's mobile device was south of Pullman, Washington and west of Moscow, Idaho on November 13, 2022; that Bryan Kohberger's mobile device did not travel east on the Moscow-Pullman Highway in the early morning hours of November 13th, and thus could not be the vehicle captured on video along the Moscow-Pullman highway near Floyd's Cannabis shop."

A previous affidavit stated investigators had found cell tower data from that morning which showed Kohberger's phone in Pullman around 2:47 a.m. the night of the murders, at which point it suddenly stopped connecting to the cell network, according to "48 Hours." It was around this time surveillance video saw his car leave his apartment, "48 Hours" reported.

Jordan Freiman contributed to this report.

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• University of Idaho
• Bryan Kohberger