Phone tracking using a phone number

    Hi. I need your help.
    My brother is using Metro by t-Mobile. But my brother is missing for 4 days now. The only thing is that his phone is working, and i get information on viber that my messages was delivered. In police they said that they cannot track the phone and find his location. Who can do that? I have only one option to write to you and ask for help to find location of the phone and hopefully my brother.


    I need all information where do i need to go  and how to ask mobile operator to track the phone?

    Because its only mobile operator can track phone location as i know. All around the world its working.

    Or maybe we can find out last phone calls on his number.....


    Please,please help me and my family find our son and brother.


    Sincerely, Diana


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