While President Donald Trump says immigration agents could have used "a softer touch" in Minneapolis, local advocates and national experts predict not much will change in the White House's pursuit of the largest mass deportation in history.

The administration's hardline immigration enforcement has upset millions of Americans who supported deporting immigrants with criminal records but who are uncomfortable with the aggressive tactics and detention of longtime community members and their children.

A recent poll shows Trump is losing ground on the issue even among Republicans.

But, while Trump may be dialing down his own rhetoric, his administration is primed to supercharge its enforcement campaign for the next three years with:

"Until (Trump) starts saying that mass deportation itself is the wrong policy, the reality is he can do so much damage," said Andrea Flores, former immigration advisor to the Obama and Biden administrations. "There is just no option for people, and our undocumented population is so big."