https://apnews.com/3b59408315b14893b0b26bb505ce933d

WASHINGTON (AP) — The Supreme Court ruled Friday that police generally need a search warrant if they want to track criminal suspects' movements by collecting information about where they've used their cellphones, bolstering privacy interests in the digital age.

The justices' 5-4 decision marks a big change in how police may obtain cellphone tower records, an important tool in criminal investigations.