A British "email prankster" spent the past few days fooling several White House officials and other people close to President Trump into thinking they were talking to each other, CNN reports. The trickster made Homeland Security Adviser Tom Bossert, who has been tasked with overseeing cyber security, think he was accepting an invitation to a "bit of a soiree" from Trump's son-in-law and senior adviser, Jared Kushner.