Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. US Prosecutor Who Has Investigated Trump Lawyer Refuses to Resign Reuters WASHINGTON - A top U.S. federal prosecutor whose office has been investigating President Donald Trump's personal lawyer, Rudolph Giuliani, on Friday refused to step down after the administration abruptly said it was replacing him. The dramatic standoff marks the latest in series of unusual actions by Attorney General William Barr that critics say are meant to benefit Trump politically and undermine the independence of the Justice Department. .