It’s time for all good law-abiding citizens with a darkish exterior and heavy clothing to go into hiding or peroxide themselves into a more non-threatening color. Or at least avoid public transport. Or being outdoors. It’s “shoot on sight” if you *look* like a terrorist. See the quote below from the Jerusalem Post.

Terrorists may talk to each other using mobile phones, just like any other people in this world. They may even use them, theoretically, to set off bombs from a distance. This has led governments to consider switching off mobile phone networks after terrorist attacks. In the same vein, allowing the use of mobile phones on [...]