“It’s zero tolerance. I don’t think you have to justify it,” Bannon, who was also CEO of Trump’s presidential campaign, said to ABC News Chief White House Correspondent Jonathan Karl in an exclusive interview on “This Week” Sunday.

“We ran on a policy — very simply — stop mass illegal immigration and limit legal immigration, get our sovereignty back to help our workers, and so he went to a zero tolerance policy,” Bannon said. “It’s a crime to come across illegally and children get separated. I mean, I hate to say it, that’s the law and he’s enforcing the law.”