Democratic presidential candidate Kamala Harris may have crossed a line this week when she said that she believes the Justice Department should prosecute Donald Trump when he leaves office, legal ethics experts say. By prejudging Justice Department decisions, they worry, Harris—and other candidates who will be asked about prosecuting Trump—could inject politics into what are supposed to be apolitical judgments and potentially even give Trump’s lawyers fodder for their defense in the event of a prosecution. Harris was making an appearance on NPR’s politics podcast when she got a question every candidate should now be prepared to answer: “If you become president, if [Trump] was never impeached, would you want the Department of Justice, now that he is no longer a sitting president, to go forward with those obstruction of justice charges?” Harris responded, “I believe that they would have no choice and that they should, yes.