This story tells us that privacy may not be dead, but common sense certainly is.
Are you saying he shouldn't have consulted Siri, have GPS enabled or that he shouldn't have committed murder? Trying to understand the 'common sense' part.
Well, given the fact that he chose to commit an egregious crime, one sure to be condemned if discovered, he should have exercised better judgment about how he carried out his plan.
My point is that understanding human behavior requires us to try to imagine the thoughts of other people, in advance of making personal moral judgments.