The demands by Trump are based on allegations many experts believe are part of a Russian disinformation operation.
Watchdogs are raising questions about the intentions of a recent Justice Department inquiry into “discarded” ballots.
“This is just another one of President Trump’s games,” New York Mayor Bill de Blasio said in response.
Many experts are criticizing the move as an inappropriate use of federal resources for Trump’s personal legal matters.
The Justice Department is directed to release its list of “anarchist jurisdictions” within 14 days.
Ex-officials say the career employee was replaced just weeks before the election with someone seen as more partisan.
The letter writers cite four instances of the attorney general violating his obligations to the American people.
The federal government is now killing prisoners after a 17-year hiatus on federal executions.
More than 2,600 individuals on death row have been exonerated since 1989.
Michael Flynn, who served as Trump’s first national security adviser, had pleaded guilty to lying to the FBI.