Episode Details

Digital evidence became one of the central pillars of the case against Bryan Kohberger, with investigators using his cellphone records, surveillance footage and other electronic data to reconstruct his movements before and after the November 13, 2022 murders. According to the probable-cause affidavit, historical cell-site records indicated that Kohberger’s phone had connected to cellular resources providing coverage near the King Road residence on at least 12 occasions before the killings, most of them during late-night or early-morning hours. On the night of the murders, investigators said his phone left the area of his Pullman apartment, stopped reporting to the cellular network between approximately 2:47 a.m. and 4:48 a.m., and then reconnected south of Moscow as it traveled back toward Washington. Surveillance cameras simultaneously captured a white Hyundai Elantra moving through Pullman and Moscow and repeatedly passing near the victims’ residence before leaving the area shortly after the murders. Investigators argued that the combination of phone data and video surveillance helped create a digital timeline connecting Kohberger and his vehicle to the movements surrounding the crime.

Investigators also obtained extensive warrants for Kohberger’s phone, Google accounts, Apple information, Amazon records and other aspects of his digital life as they searched for evidence of planning, surveillance, communications and activity surrounding the killings. Later forensic examination of his electronic devices became particularly important because investigators sought to determine what Kohberger had searched for, what applications and accounts he had used and whether information had been deleted or concealed. Prosecutors viewed the digital evidence not as one standalone piece proving the murders, but as another layer that could be compared with the physical evidence, the Hyundai Elantra captured on video and Kohberger’s DNA on the knife sheath recovered from the crime scene. Kohberger’s defense aggressively challenged portions of that evidence, particularly the reliability and interpretation of cellular-location data, arguing that cellphone records could not pinpoint his precise location. Ultimately, the prosecution’s digital case was significant because multiple independent electronic sources were being used to tell the same broader story: Kohberger’s movements, vehicle and phone activity could be tracked around the critical period in which the four students were murdered.


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