Albert Paul, 79, has spent most of his life in prison for a string of crimes and is currently serving a life sentence for a 1971 murder. The Department of Corrections has estimated that it has spent nearly $1.5 million since the early 1950s to keep the Maine man locked up.
The border separating Mexico and the United States is the most frequently crossed international boundary in the world, with approximately 350 million legal crossings taking place annually. There are 48 U.S.âMexico border crossings, with 330 ports of entry.
Mexico, the southernmost country of North American, borders the northern countries of Central America, Guatemala, and Belize. However, the main flows of Central American nationals headed to the United States usually cross Mexico's border with Guatemala.istorical background. After Mexico and Central America gained independence from Spain, in 1821, the Central American states came briefly under Mexican rule before separating in 1823 and creating a unified nation called the United Provinces of Central America.