Justice Department officials have promised a relentless effort to identify and arrest those who stormed the Capitol that day, but internally there is robust back-and-forth about whether charging them all is the best course of action. That debate comes at a time when officials are keenly sensitive that the credibility of the Justice Department and the FBI are at stake in such decisions, given the apparent security and intelligence failures that preceded the riot, these people said, speaking on the condition of anonymity to discuss legal deliberations."