Adams faces allegations he sought to help implement Trump's immigration policies in exchange for having his federal corruption charges dropped.

Experts say it’s far from clear how would play out. The closest it’s come to happening was nearly a century ago when Gov. Franklin D. Roosevelt launched a trial against Mayor Jimmy Walker, who subsequently resigned and moved to Europe to avoid criminal prosecution.

Instead, the governor plans to add a series of controls to the embattled mayor’s power over New York City, a person close to the governor said.