Illegal Re-entry Following Deportation is a federal offense in the United States. It occurs when an individual who has been previously deported from the United States enters the country without proper authorization from the Department of Homeland Security. There are two main types of Illegal Re-entry Following Deportation: Aggravated Illegal Re-entry and Illegal Re-entry After Removal. Aggravated Illegal Re-entry occurs when an individual who has been previously deported from the United States re-enters the country without authorization and had been previously convicted of an aggravated felony or two or more misdemeanors in the United States. Illegal Re-entry After Removal occurs when an individual has been previously removed from the United States, either voluntarily or involuntarily, and re-enters the country without permission from the Department of Homeland Security. Illegal Re-entry Following Deportation is a federal crime and can result in severe criminal penalties, including fines, prison time, and deportation.