Not to imply that it can just be done easily to every phone, or without preparation or perhaps previous physical access, but this concept has come up more than

Not to imply that it can just be done easily to every phone, or without preparation or perhaps previous physical access, but this concept has come up more than once in the mainstream news in recent years. So this level of incredulity seems misplaced. http://www.slate.com/blogs/future_tense/2013/07/22/nsa_can_reportedly_track_cellphones_even_when_they_re_turned_off.html http://www.slate.com/blogs/future_tense/2013/07/22/nsa_can_r... https://www.tomsguide.com/us/nsa-remotely-turn-on-phones,news-18854.html https://www.tomsguide.com/us/nsa-remotely-turn-on-phones,new...