Yet these most steadfast of Trump supporters who gathered here Tuesday night as part of a focus group evaluating public opinion said the president ought not fire special counsel Robert S. Mueller III, a view shared by the Trump critics around the table.

“People would be suspicious,” said Betsy Novak, 55, a greenhouse worker who voted for Trump.

“It [would be] hiding something,” said Curt Hetzel, 48, a shipping and receiving manager who also voted for Trump.

“Politically, it would be a terrible idea,” said yet another Trump backer, Sam Goldner, 25, a warehouse manager.