They've stopped obtaining warrants. ICE claims they can enter homes forcefully without a judge-signed warrant. Judges have released at least one victim seized this way.
In this case the story didn’t make it clear whether or not they even had an administrative warrant. I’d be interested to find out if they did.
* https://www.wired.com/story/us-judge-rules-ice-raids-require...
* https://www.minnpost.com/metro/2026/01/judge-orders-release-...
> A federal judge in Minnesota on Thursday ordered the release of a Liberian man four days after heavily armed immigration agents broke into his home using a battering ram and arrested him.
> U.S. District Judge Jeffrey Bryan said in his ruling that the agents violated Garrison Gibson’s Fourth Amendment rights against unlawful search and seizure.