Two weeks ago @motherboard @vice found anyone could pay a few hundred dollars & learn where your mobile phone is within a few hundred meters. That's outrageous. I called for an investigation. Today 15 senators called on @FCC & @FTC to take action. Amen. https://t.co/bsELwZD5Gm

— Jessica Rosenworcel (@JRosenworcel) January 24, 2019