The U.S. Court of Appeals for the Ninth Circuit, which covers this vast jurisdiction, recently decided the government can monitor you in this way virtually anytime it wants - with no need for a search warrant.
Borrow your neighbor's car.
Park the car in your garage.
What is one interesting aspect of the decision is that the 9th circuit is considered by some jurists to be the most liberal of the Circuit Courts.
"Generosity. That was my first mistake." "Experience must be our only guide; reason may mislead us." "Instagram is Twitter for people who can't read."
