I don't know what kind of crime being a passenger in one would result in though.
http://www.businessinsider.com/uber-soon-able-to-track-your-...
Or did they roll that "feature" back?
If you care about the police, they can subpoena your phone's location no matter what app is running on it. They can also find your car with license plate readers.
http://highscalability.com/blog/2016/9/28/how-uber-manages-a...
http://www.businessinsider.com/uber-soon-able-to-track-your-...
Or did they roll that "feature" back?