Special counsel Robert Mueller and Donald Trump (Wikimedia Commons) Trump loses it over 'last-minute' revelation about Mueller's upcoming testimony Private, previously undisclosed emails in connection with special counsel Robert Mueller's investigation into former President Donald Trump have now come to light. On Monday, May 3, Buzzfeed News and CNN received a cache that included more than 300 pages of documentation from the investigation. The publication reports that the robust compilation of documents — which consist of "emails, text messages, and memos seized from subjects and witnesses" — contain details about correspondence between members of Trump's campaign as they discussed Russia. A review of the records indicates that Trump's son, Donald Trump, Jr., his daughter Ivanka Trump, and his son-in-law Jared Kushner, were heavily involved in the discussions at the onset of the former president's campaign. In fact, Ivanka reportedly informed the co-chair of her father's campaign that her brother, Donald Jr. could make recommendations for military advisors while Kushner offered details about his private meeting with Henry Kissinger.