Public Security Minister Gilad Erdan last month hosted his US counterpart, Homeland Security Secretary Kirstjen Nielsen, among aides to President Donald Trump who have been tasked with making good on his vow to clamp down on illegal immigration.
Migration isn't caused just by violence and failing governments: Climate-related problems such as drought, extreme storms and excessive heat have pushed many small farmers in Central America to leave their land and head north.
The PRI, which governed Mexico continuously from 1929 to 2000, and again from 2012, came in third in the presidential race and lost all nine gubernatorial races on the ballot. Until 1989, the PRI had never lost a governor's race.
Mexico's new president Andrés Manuel López Obrador said he would pursue friend and foe alike in a crackdown on corruption after voters handed him a powerful mandate for government with a landslide election victory on Sunday.
The extent of the problems has caught locals, industry executives and government officials off guard, especially as criminals increasingly exploit what's left of any prosperity by targeting Pemex resources, equipment and employees.
A federal judge has ruled that US immigration agents could no longer separate immigrant parents and children caught crossing the border from Mexico illegally, and must reunite those families that had been split up in custody.