"Institutional knowledge is good, and government is good," said former U.S. Attorney Gary Restaino in an interview with The Arizona Republic.

A longtime federal prosecutor resigned Tuesday rather than carry out what she described as orders from Trump-appointed officials to take actions unsupported by evidence, according to a copy of her resignation letter obtained by NBC News.

The former special counsel Jack Smith was among the dozens of former DOJ lawyers who signed an open letter to career prosecutors.

The criminal division chief refused to use DOJ power to compel the bank, citing lack of evidence of a crime after Trump appointees sought an investigation.