The US Supreme Court in a significant privacy rights case in Carpenter v. U.S., decided on June 22, 2018, reversed a the lower court decisions allowing for Cell Site Location Information (“CSLI”) to be used to obtain a conviction without a proper application of warrant. Carpenter was convicted of armed robbery and weapons’ charges as the investigators were able to map his whereabouts for a 27 days period with 107 data points or location tracker per day through the CSLI data collected by his cell phone carrier. The government had only to show a “reasonable grounds” for believing that the
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