Tracking Device Allowed as Evidence at Trial
A judge ruled Tuesday that evidence police gathered using electronic devices to track Scott Peterson after his pregnant wife disappeared can be used in his double-murder trial.
After nearly two days of testimony from experts on global positioning system technology, Judge Alfred A. Delucchi said he believed the devices were reliable -- despite the defense’s objections that they were error-prone.
Because GPS technology has yet to be tested in state criminal court, prosecutors had to establish its reliability and demonstrate that the technology was used correctly.
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