More Mexican nationals have been detained so far in 2017 than in each of the last three years.
Advocacy groups have been receiving about requests from parents who want to put in place temporary guardianships for their children.
Relations have deteriorated since the assassination of Kim Jong Nam in Kuala Lumpur.
Immigration agents would be newly empowered to reject asylum-seekers earlier in the process under a draft not yet sent to field offices.
An obscure section of Trump's executive order on border security will give local law enforcement agencies the power to enforce federal immigration laws.
The list of signatories includes professors from elite colleges and at least 40 Nobel laureates.
A federal judge has temporarily halted President Donald Trump's executive order regarding refugees and Muslim immigrants.
Trump's plan to build a wall on the U.S-Mexico border has worried boxer Leo Santa Cruz.
"If we have to talk to the devil to guarantee the safety and future of the Mexican people in the U.S., Mexico will talk to the devil," said Mexican Economic Minister Ildefonso Guajardo Villarreal.
"Our message to the world will be this: You cannot obtain legal status or become a citizen of the United States by illegally entering our country," Trump said in a speech in Phoenix.
But Pena Nieto insisted that Mexico would not pay for it.
The trip will take place hours before Trump reveals his proposal for cracking down on illegal immigration.
New Jersey governor deflects questions on whether the GOP nominee is softening his stance on immigration and deportation.
Trump's comments came in the second part of an interview conducted on Tuesday with Fox News anchor Sean Hannity.
Now we can have a real debate on border security instead of babbling about something untenable: sending 11 million undocumented immigrants home.
North Carolina teen Wildin Acosta is threatened with deportation after fleeing Honduras under threat of death for his religious commitment.
Court's statement affirming a ruling that blocks Obama's immigration plan sure to inspire reformers this fall.
Cost and difficulty finding documents also preventing many from taking advantage of the Deferred Action for Childhood Arrivals.
The Libya to Italy route is long and dangerous, but it may soon be the only option.