The top court in Massachusetts has ruled that police need a warrant to obtain cellphone location data to track a suspect for more than a brief time period.
The Massachusetts court ruled 5-2 in the case of Shabazz Augustine, who was arrested based on data showing his location when his girlfriend was killed. The court noted that police had obtained two weeks of data by persuading a court the information was relevant and material to an ongoing probe. ABA Journal.
Read the case.