He said the Bourbon Street attack was part of "a significant increase in what we term homegrown violent extremism."

In an interview on ABC's "This Week," Homeland Security Secretary Alejandro Mayorkas warned of a "very difficult threat landscape" after the New Orleans truck attack.

Immigration has been a white-hot political issue for years and helped propel Donald Trump back into the Oval Office. The incoming president has promised mass deportations and is expected to issue a slew of related executive orders soon after being sworn in.

Homeland Security Secretary Alejandro Mayorkas warned in an interview Sunday on ABC's "This Week" of a "very difficult threat landscape" in the wake of the New Orleans truck attack. And Republican ...

The terror attack in New Orleans that killed 14 people is considered the deadliest Islamic State-inspired assault on U.S. soil in recent years.

In the immediate aftermath of the New Year’s truck attack that killed 14 people and injured dozens in New Orleans, President-elect Donald Trump baselessly—and, it turns out, falsely— suggested that the Biden administration’s immigration policies were to blame.

NPR's Steve Inskeep speaks with outgoing Homeland Security Secretary Alejandro Mayorkas in part 2 of his exit interview.

In an interview Sunday morning on ABC's "This Week," Homeland Security Secretary Alejandro Mayorkas warned of a "very difficult threat landscape" in the wake of the New Orleans truck attack.

The terror attack in New Orleans that killed 14 people is considered the deadliest Islamic State-inspired assault on U.S. soil in recent years. The terror attack in ...

He said the Bourbon Street attack was part of "a significant increase in what we term homegrown violent extremism."

Mayorkas, who said he plans to stay on the job until Monday at noon, told ABC News he has had "substantive and very productive and very collegial" conversations with Trump's pick to be the new DHS secretary, South Dakota Gov. Kristi Noem.

Secretary of Homeland Security Alejandro ... Inskeep: If the new administration keeps families together by deporting American citizens, what do you make of that? Mayorkas: The American citizens ...