Recently asked to resign by the administration of President Donald Trump, Chicago’s onetime top prosecutor Zachary Fardon has called for far-reaching reforms of the city’s justice system to fight endemic gun violence.

In a five-page open letter released on Monday, the former U.S. attorney for the Northern District of Illinois condemned inaction from municipal authorities, the local police department’s lack of professionalism, and the failure of federal law enforcement agencies to coordinate on addressing the city’s recent murder spike.

Chicago’s murders jumped…