The agency has used the controversial surveillance devices for more than a decade, according to credible investigative reports.

Millions of mobile phone users in the United States remain exposed to a well-documented surveillance technique: fake cell towers that force devices onto outdated 2G networks, stripping away modern ...

Protesters at the Immigration and Customs Enforcement facility in Portland may have had their identifiable information from their cellphones surveilled, new reporting from Straight Arrow News found.