Rape Suspect Tracked With Cell Tower Data Records
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Case Overview
This case involves a rape suspect who was tracked by his cell phone. The defendant was taken into custody and the DA obtained evidence using cellular technology against him from cell towers, which are believed to have tracked his whereabouts through his cell phone around the time of the rape. A number of experts were retained for this matter with specializations in telecommunications, audio forensics and voice identification.
Questions to the Engineering expert and their responses
How accurate is tracking data obtained by way of a cell tower (especially in densely populated areas)?
In this situation, there would be a difference in phones that have GPS and those that do not have GPS. If the phone has GPS, and it is enabled, the location of the defendant can be tracked fairly accurately. However, if there is no GPS, then it would be very difficult to track a position. For example, normally a phone would be using the closest available cell phone tower. The case is different, however, in densely populated areas. Cell phone towers are often very busy in these areas, so a cell phone's signal could jump from tower to tower. In addition, the presence of buildings may interfere with the signal. Of course, the records will reveal if the data corroborates the plaintiff's claims.
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