How do I complain about immigration?
Report an Immigration Violation To report a person you think may be in the U.S. illegally, use the Homeland Security Investigations online tip form or call 1-866-347-2423 (in the U.S., Mexico, or Canada) or 1-802-872-6199 (from other countries).
How do I report a fake marriage to immigration in Australia?
Members of the public who have information about possible visa fraud are encouraged to report it to ABF's BorderWatch program by visiting Australia.gov.au/borderwatch. Information can be given anonymously.
How do I report someone to immigration UK?
If you believe that you know people who are in the UK illegally, then you can report it by clicking here. Alternatively, you can call the Immigration Enforcement Hotline on 0300 123 7000. You can also ring the Customs hotline by calling 0800 595 000.