Netherlands-based site uses public information and tips to reveal identities of agents involved in crackdowns across US

It started as a cheeky response on social media to the US secretary for homeland security. Months later, however, a Europe-based project to unmask US immigration and custom enforcement (ICE) agents has racked up millions of views and mobilised hundreds of volunteers.

“What we’re doing is a reaction to a problematic regime,” said Dominick Skinner, the Netherlands-based Irish national behind the website ICE List, of its mission to remove the anonymity that many of the armed federal agents operate under while deployed to US cities.