A confidential memorandum obtained by the Associated Press reveals that U.S. Immigration and Customs Enforcement (ICE) agents claim authority to forcibly enter residences using only administrative orders, rather than judicial warrants required by the Fourth Amendment. The policy change, signed by interim ICE director Todd Lyons in May 2025, differs from longstanding legal guidance and Supreme Court rulings, and has been used to train new ICE agents deployed in the Trump administration's mass deportation campaign.