Migrants in Mexico who were hoping to come to the U.S. are adjusting to a new and uncertain reality after President Donald Trump began cracking down on border security.

The offices were designed to give migrants legal immigration options and dissuade them from crossing the U.S. southern border illegally.

The U.S. southern border has seen a sharp drop in migrant encounters entering between ports of entry at the southern border, according to a CBP source.

Migrants waiting to enter the United States via its southern border are in distress following U.S. President Donald Trump's ...

At least 1,500 more active duty troops are heading south to take 'complete operational control' of the U.S. border by the end of January - and more will deploy in coming weeks and months.