• Erik Prince, the billionaire Blackwater founder and Kirill Dmitriev, a Russian banker close to the Kremlin met in the Seychelles in January 2017


• Robert Mueller is probing the meeting amid claims it was an attempt to set up a back channel between the Kremlin and the Trump transition


• Prince denies that is the case and says it was a chance meeting after he went to the island to meet the crown prince of Abu Dhabi , Mohamed bin Zayed


• But DailyMail.com can reveal that Zayed brought with him Hamad al Mazroie, the de facto head of the United Arab Emirates intelligence service


• He also brought Mohammed Dahlan, a bin Zayed adviser who is fluent in Russian and is seen as a conduit from the UAE to Putin's Kremlin


• Prince did not disclose both men's presence when he testified under oath about the meeting to the House Intelligence Committee