Contact U.S. Immigration and Customs Enforcement (ICE) at 1-866-347-2423
Submit a tip online through the ICE tip form
Contact local police if there is an immediate safety threat or crime in progress
Call 911 in an emergency
Provide the person’s name, location, and any relevant details if known
Do not confront the person yourself
If you are outside the United States, contact your local immigration or law enforcement authority