Many of the Central American migrants fleeing poverty and violence plan to seek asylum in the United States. But, first they need to pass a 'credible fear' interview that could be the difference between a new life and being sent back home.

In the Mexican border city of Mexicali, local residents are still getting used to the massive flow of migrants who've found themselves there, waiting for an opportunity to enter the U.S. The two groups are trying to co-exist, hoping for an eventual end to the turmoil in their city.

The stress of the humanitarian crisis at the border is not only affecting the migrants, but also is impacting the U.S. Border Patrol agents who are increasingly finding themselves dealing with situations that are completely new to them.

In the midst of a migrant crisis on the southern U.S. border, the White House is withholding funding to the region, potentially undermining its efforts to stop the exodos from Central America, critics say.

Scores of Central American migrants have arrived at the border between Mexico and the United States. Many of them are fleeing their home countries to escape gang violence and extortion, but they have found themselves in Mexican border cities like Tijuana, where violence is just as prevalent as back home.

Many of the Central American migrants coming to the United States are from Honduras, where more than 60 percent of the population lives in poverty, and a political crisis has deeply polarized the country over the re-election last year of President Juan Orlando Hernandez.