[YouKnowBetter]

This is not limited to the US. In fact, you are late to the party. Both in Oslo and in London these where uncovered and published about, that was 2015.

https://www.aftenposten.no/norge/i/kamWB/New-report-Clear-si...

https://commsrisk.com/reporters-find-20-imsi-catchers-in-lon...