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Digital Evidence
O'Keefe iPhone Apple Health Step and Movement Records
Estimated step intervals around 12:21–12:24 and 12:31:56–12:32:16, then nearly six hours without further Health activity. Hyde said phone motion does not prove who carried it or what caused the motion.
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These records show what Apple Health recorded on the phone, not who was moving or where. The defense argued that the westerly interval supported movement toward the house, while the prosecution argued that the cessation of recorded health activity supported incapacitation; those are party interpretations, not conclusions established by the records. Hyde testified that estimated steps can result from phone motion and do not by themselves prove O'Keefe's personal movement, possession of the phone, precise location, or entry into the house.
Extracted Apple Health records contain device-derived activity intervals: about 80 estimated steps and 87.74 meters of travel from approximately 12:21–12:24 a.m., followed by a later interval described as 36 estimated steps over about 25 meters (83–84 feet) from 12:31:56–12:32:16 a.m.; the defense described that interval as westerly. No further steps, flights climbed, or other Apple Health activity were recorded for nearly six hours. As Jessica Hyde explained, phone motion can generate estimated steps based on presumed gait without proving who carried the phone or what caused the motion.