A leaked document shows the spread of surveillance and investigative capabilities that Immigration and Customs Enforcement (ICE) officials have access to agency wide, from location data harvested from smartphones, to facial recognition apps that can reveal someone’s identity, to tools that let the agency stay anonymous online and approach people undercover. The document covers everything from monitoring social media to tracking the movements of vehicles. 
It is rare for the public to see such a large list of ICE’s technology capabilities in a single document. 404 Media has published the whole document, called “ICE Wide Analytical Tools,” below. 
When sent screenshots of the document and asked for comment, a Department of Homeland Security (DHS) spokesperson told 404 Media “Like other law enforcement agencies, ICE employs various forms of technology to investigate criminal activity and support law enforcement efforts.”
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Some notable entries in the document include:
Accurint:
a LexisNexis tool for
locating people
that contains all sorts of personal data like addresses, phone numbers, Social Security numbers, and more
Chameleon:
a tool which provides “Anonymized means to conduct online investigations, web research, and undercover work”
Locate X
: a tool that lets ICE search a massive database of location data harvested from smartphones. Made by Babel Street, the tool uses data sourced through ordinary apps installed on peoples’ phones or the advertising ecosystem.
404 Media previously reported
how the tool could be used to track phones at abortion clinics after privacy advocates gained access to the technology. “It allows investigators to draw a digital fence around an address or area, pinpoint mobile devices that were within that area from mobile data sou

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