Illegal Entry is the unlawful crossing of an international border or the unauthorized entrance or presence of a person in a country or territory in which they are not a citizen or do not have legal permission to be. It is a federal crime in the United States, punishable by fines, imprisonment, or both. There are two main types of Illegal Entry: illegal entry by land and illegal entry by sea. Illegal entry by land occurs when a person crosses a border without permission to enter a country. Illegal entry by sea occurs when a person attempts to enter a country by boat or other watercraft without permission or authorization. In the United States, illegal entry is a criminal offense punishable by a fine and/or up to six months in prison. Individuals may also be charged with a felony if they are found to be in violation of immigration law. Additionally, illegal entrants may be subject to civil penalties, including deportation.