Ronald Vitiello, the acting director of Immigration and Customs Enforcement (ICE), said he believes that President Trump will reinforce his commitment to protecting the country in his announcement at the White House.

Trump tweeted Friday that he'd be making a "major announcement" Saturday afternoon about the "humanitarian crisis" at the border and the government shutdown, which was later delayed until 4:00 p.m.

Vitiello said on Cavuto Live that Trump would be well within his authority as commander in chief to declare a national emergency, something he's threatened to do numerous times during the shutdown.

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"That sounds like it might be progress," he said. "But I really have no idea what he's gonna do."

Vitiello added that a wall or some form of barrier is not needed across the entire U.S.-Mexico border.

He said his agents need an "enduring capability" to help slow down traffic at the border.

"You have to have that system, and a barrier or wall is important to have," he said.

Vitiello said that although people are concerned about the morale of ICE agents amid the government shutdown, they'll continue to do their jobs.

Watch more above.

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