The police fired at the woman, who was holding two knives, after trying to use less lethal force, officials said. A woman, 32, was killed, and a man, 68, is in stable condition.

In their broadest assault yet against the charges, lawyers for the defendants pointed to the unusual investigative tactics the administration deployed to make the case against them.

Sae Joon Park, who had earned a Purple Heart, was swept up in President Trump’s immigration crackdown last year. It’s not clear if the pardon will allow him to return to the United States.