News release: “In a massive coordinated information-seeking campaign, 35 ACLU affiliates are filing over 381 requests in 32 states across the country with local law enforcement agencies large and small that seek to uncover when, why and how they are using cell phone location data to track Americans. The requests seek information from local law enforcement agencies, including:

• whether law enforcement agents demonstrate probable cause and obtain a warrant to access cell phone location data;
• statistics on how frequently law enforcement agencies obtain cell phone location data;
• how much money law enforcement agencies spend tracking cell phones and
• other policies and procedures used for acquiring location data.