FYI two years ago, the Indian government shut down mobile service in the state of Punjab to catch one person:
I don't buy their reasoning.
With all the mobile tracking tech, I would have thought that it would have been easier to catch the person if they had a working phone on them.
One terrorist. Fixed it for you.
I was there during this, literally text my wife when got notice and said “I do not know when I will be able to text next so keep an eye on your email”.