The very first holding of the majority opinion by Kagan:
Held: Police officers conducted a Fourth Amendment search when they
acquired Chatrie’s location data from Google because an individual has a reasonable expectation of privacy in his cell-phone location information.
Note the possessive “his”. Crucial to the case, this was held to be the individual’s data, not the third-party’s.
Held: Police officers conducted a Fourth Amendment search when they acquired Chatrie’s location data from Google because an individual has a reasonable expectation of privacy in his cell-phone location information.
Note the possessive “his”. Crucial to the case, this was held to be the individual’s data, not the third-party’s.