Police had arrested the wrong man based on location data obtained from Google and the fact that a white Honda was spotted at the crime scene. The case against Molina quickly fell apart, and he was released from jail six days later. Prosecutors never pursued charges against Molina, yet the highly publicized arrest cost him his job, his car, and his reputation.

https://www.phoenixnewtimes.com/news/google-geofence-locatio...

Google spying on people as much as possible and storing everything they glean on their servers (where they have no choice but to hand it over to any government agency with a warrant) is dangerous.