It's estimated that poor Mexican workers have invested more than $2 million in U.S. jobs that don't exist.

Greece. Iraq. South Korea. Those are just some of the countries that have man-made separation barriers, places to prevent the flow of people and goods. Why? Take a listen…

Greece is the back door into Europe for 90 percent of illegal immigrants. Now it wants to close its border with a seven-mile fence at a critical crossroads.

Over 150,000 Mexicans come to the U.S. to work legal, temporary jobs each year. Hear how the guest worker system looks from the other side of the border.

British Prime Minister David Cameron's new immigration rules could cap the number of people from outside Europe who can settle in the country, but the Financial Times newspaper reports the rules could also create a fast track for wealthy immigrants to move to the U.K. Christopher Werth has more.

The global economic crisis dried up jobs in the U.S. and Europe, forcing many Latin American workers to return to their home countries.

Plaza Adelante in San Francisco has become a nonprofit hub that's helping the surrounding Latino neighborhood create and build their small businesses.

More Turkish Germans are heading back to their home country — motivated by factors like better job opportunities in Turkey and not wanting to feel like a foreigner.

The official numbers from the 2010 U.S. Census were released today. Mitchell Hartman takes a look at what the results say about the U.S. as a whole.

Representatives of the U.S. and Mexican governments met this week to discuss border management issues. This in the same week that U.S. Border Patrol agent Brian Terry was killed in a gunfight with bandits who target immigrants crossing the border into the U.S. But an innovation in fiber optic technology may change the way border security is conducted.