Threats against Fulton County district attorney Fani Willis grew so intense that she used a body double wearing body armor to help her escape the courthouse, according to the authors of a new book. The Georgia prosecutor was deluged with violent threats as she investigated Donald Trump’s efforts to overturn his 2020 election loss in the state, which ultimately resulted in the former president’s indictment on racketeering charges with 18 co-defendants, and reporters Michael Isikoff and Daniel Klaidman told MSNBC’s “Morning Joe” about one particularly alarming incident they uncovered. “In the da…