Vote Leave Whistle Blowers Hold Press Conference at the Frontline Club

LONDON, ENGLAND - MARCH 26: Whistleblowers Shahmir Sanni (L) and Christopher Wylie speak during a press conference at the Frontline Club on March 26, 2018 in London, England. Former Vote Leave volunteer Sanni raised concerns that the official Leave campaign may have broken referendum spending rules and then tried to destroy evidence. A substantial sum was spent with AggregateIQ which has links to Cambridge Analytica. Former employee Christopher Wylie exposed how Cambridge Analytica had allegedly harvested date from millions of Facebook users to influence the outcome of the 2016 US Presidential election. (Photo by Dan Kitwood/Getty Images)