Redeploying Homeland Security Investigations agents is part of a broader Trump effort. But some fear many serious transnational crimes will go unprobed.

Prime Minister Justin Trudeau has announced Kevin Brosseau's appointment as Canada's new fentanyl czar. The role, effective ...

The Associated Press' U.S. immigration news editor, Elliot Spagat, was joined by Rebecca Santana, who covers the Department of Homeland Security, and Christopher Sherman, who is the news director for ...

Donald Trump kicked off a wide-ranging immigration crackdown after taking office, allocating federal resources to track, ...