A memorandum from the Congressional Research Service to Congress "provides numerous examples that describe some of the reported challenges that officers of the Department of Homeland Security's (DHS) immigration-related bureaus face in furtherance of their missions." It provides a detailed analysis of the complexity of current immigration laws and DHS organizational structure.

To read CRS's memo, click on the following link:  http://www.aila.org/content/default.aspx?docid=17093