The most obvious grounds for deportation involve crossing into the United States illegally or remaining in the country beyond the time allowed by one's visa, notes AllLaw. The Department of Homeland Security's U.S. Immigration and Customs Enforcement is the federal government agency responsible for investigating, detaining and deporting individuals suspected of violating U.S. immigration laws, according to FindLaw.Continue Reading
There are numerous criminal offenses that can result in the deportation of a non-citizen who is otherwise legally allowed to remain in the United States, as reported by Nolo. These include conviction of an aggravated felony, conviction of a firearms offense and conviction of a drug crime. The full list of crimes with the potential to result in deportation can be found in Section 237(a) of the Immigration and Nationality Act. Any "crime of moral turpitude," wherein the defendant demonstrates a lack of good moral character, can lead to deportation.
Legal aliens can also be deported if they violate immigration laws, such as committing marriage fraud or helping smuggle other aliens into the country, according to the U,S. Citizenship and Immigration Services. Failure to advise USCIS of an address change is also grounds for deportation. Individuals also can be deported for receiving public assistance within five years of entry into the United States.Learn more about Immigration