Parents in Central America are so desperate for their children to have a better life that they're willing to send them unaccompanied to the United States, often via a Mexican freight train so notorious it's nicknamed "the beast". The point of arrival is the United States, a nation used to welcoming waves of immigrants. But there are limits to the US system, and Obama and Congress are bitterly divided over immigration reform.
Programme produced by François Picard, Anelise Borges, Dheepthika Laurent, Jessica Wakefield and Chris Davis.
Senior political writer and columnist for La Opinion
Executive director at The Center for Immigration Studies
Professor of Political Science - Université Paris III
Anchor, producer and reporter for FOX9/ABC5