Watch the full interview with Kaitlan Collins at 9 p.m. ET Monday on “The Source.” CNN  —  A longtime Mar-a-Lago employee who is a central witness in the investigation into former President Donald Trump’s handling of classified documents is now speaking publicly because he believes that voters should hear the truth about his former boss and the case before the November election. Brian Butler, who is referenced as “Trump Employee 5” in the classified documents indictment brought by special counsel Jack Smith,...…Watch the full interview with Kaitlan Collins at 9 p.m. ET Monday on “The Source.” CNN  —  A longtime Mar-a-Lago employee who is a central witness in the investigation into former President Donald Trump’s handling of classified documents is now speaking publicly because he believes that voters should hear the truth about his former boss and the case before the November election. Brian Butler, who is referenced as “Trump Employee 5” in the classified documents indictment brought by special counsel Jack Smith,...WW…