Episode Details

Prosecutors in the Bryan Kohberger case planned to use his cellphone records as a central part of the timeline they said placed him in and around Moscow before and after the murders. According to the probable-cause materials, investigators obtained historical records for Kohberger’s phone and analyzed which cellular towers and sectors handled his device at different times. The state alleged that his phone had used resources providing coverage to the King Road area on multiple occasions before November 13, 2022, including late-night and early-morning periods, which prosecutors intended to use as circumstantial evidence that Kohberger had previously traveled near the victims’ home. On the night of the killings, the phone allegedly left the Pullman area, stopped reporting to the cellular network during the critical window surrounding the murders, and then reconnected south of Moscow afterward. Prosecutors sought to combine those records with surveillance footage of a white Hyundai Elantra moving through Pullman and Moscow to argue that Kohberger’s phone and vehicle followed a route consistent with travel to and from the crime scene.

The state’s theory did not depend on claiming that tower data could pinpoint Kohberger inside the King Road house. Instead, prosecutors planned to present the cellphone evidence as one part of a larger circumstantial mosaic alongside vehicle sightings, DNA, surveillance video and Kohberger’s movements. They also relied on an FBI Cellular Analysis Survey Team examination to interpret the records and reconstruct the phone’s general movements, while the defense challenged how much precision could legitimately be drawn from that analysis. Kohberger’s attorneys emphasized that cellular records identify broad coverage areas rather than exact locations and argued that the prosecution risked overstating what the technology could prove. The battle therefore centered on the difference between using the records to establish a general travel pattern and using them to imply precise presence near the victims’ home, with prosecutors maintaining that the phone data became powerful when viewed together with the rest of the evidence.



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