“The analogy I use is if you’re ever trying to get directions, when you’re coming out of the grocery store, or the shopping mall, and you’re parked in a parking garage or an underground structure, the map is going to have no idea where you are,” said Jordan Boulger, with the Cook County Adult Probation Department. “So, there are known situations where GPS can be a little unreliable.”
Any port in a storm when defending a poorly designed and monitored system.