If by 'undocumented' you mean a foreign born person who is in the U.S. without sponsorship or other type of 'permission' such as a visa, then yes; the person is a criminal by statute as they entered this country (or stayed in this country after expiration of said visa).  This means they are an 'illegal alien', a term that is used widely within customs and immigration documents, and one that certainly fits the description of the woman in this article. Let's get real, folks...