Shift in monitoring methods has led to revenue boost for Geo Group, a private prison firm, that also makes the device The US is tracking nearly 54,000 immigrants through GPS-enabled ankle monitors as part of a US Immigration and Customs Enforcement (ICE) electronic surveillance program, according...
Source: [Guardian US](https://www.theguardian.com/us-news/2026/aug/06/ice-tracks-thousands-of-immigrants-ankle-monitors)