The interim U.S. attorney for the Southern District of New York and two officials with the federal public integrity unit all quit after the Justice Department ordered the charges against Mayor Eric Adams to be dropped.

Danielle R. Sassoon, Manhattan’s interim U.S. attorney, built a life on conservative values and amassed a daunting resume. On Thursday, she took a stand against the Justice Department where she had made her career.

As the acting deputy attorney general, Emil Bove has overseen the forced transfers of senior officials and an effort to collect the names of F.B.I. agents who worked on Jan. 6 cases.

The department’s current No. 2 official, Emil Bove, escalated his growing conflict with the interim leadership of the F.B.I.

If Danielle R. Sassoon, the interim U.S. attorney, agrees to drop the prosecution of Mayor Eric Adams, the decision could threaten the reputation of a famously independent office.

The number of arrests there was uncertain. Illinois officials, including the governor, said they had not been given advance notice.

Pam Bondi, a former Florida attorney general, will be asked if she can stand up to Donald Trump, who has made it clear that he wants the government’s top lawyer to execute his commands.

The president-elect’s defense lawyers accused the special counsel of unethical and improper behavior in his prosecutions of their client. They could be in senior Justice Department roles within weeks.

President-elect Donald J. Trump is trying to expunge his conviction before he is inaugurated. He would be the first felon elected to the Oval Office.