Warrant needed for cellphone locatxin

“In a landmark decision, the U.S. Supreme Court ruled Friday that police must obtain a search warrant to access an individual's cellphone location information. The 5-4 decision imposes new limits on law enforcement's ability to get at the increasing amount of data that private companies amass in the modern technological age.

Cellphone providers routinely keep location information for customers to help improve service. And until now, the prevailing legal theory was that if an individual voluntarily shares his information with a third party — for instance, by signing up for cellphone service — police can get that information without a search warrant.”

https://www.npr.org/2018/06/22/605007387/supreme-court-rules-police-need-warrant-to-get-location-information-from-cell-to

As government's snooping powers grow, we need the 4th Amendment to grow with it.