The president can change the posts of federal prosecutors.
The Northern District of Illinois covers 18 Illinois counties and has approximately 9 million residents.
"Although the previous Administration has been sharply criticized for politicizing the U.S. Attorney selection process in some instances, there has never been any suggestion that Mr. Fitzgerald's selection was anything other than merit-based. Indeed, Mr. Fitzgerald has exercise a level of integrity and independence that have made him one of the most effective and well respected federal prosecutors in America. I know you share my high regard for Patrick Fitzgerald, and I encourage you to keep him on as the U.S. Attorney for the Northern District of Illinois during your Administration," Durbin wrote.