June 2018 decision rendered by the Supreme Court of the United States established an interesting principle on digital privacy in a case related to a criminal proceeding.

The decision stated that the government must obtain a warrant in order to collect historical cell site location information (CSLI) of customers held by the cellphone companies. The case’s decision is based on whether police must require a warrant in order to access information from users generated by cellphones of a suspect in a criminal investigation. This decision implies that in the future, law enforcement authorities will not have an “unrestricted access to a wireless carrier’s database of physical location information” (From the majority by Justice John Roberts).

The origin of the case were several armed robberies of stores in the Detroit area in 2010. Timothy Carpenter was accused of planning the robberies, furnishing weapons and operating as an external lookout.

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