A shadowy global operation involving big data, billionaire friends of Trump and the disparate forces of the Leave campaign influenced the result of the EU referendum. As Britain heads to the polls again, is our electoral process still fit for purpose?

"Farage, Banks and Bannon. They are some of the well-known Bad Boys of Brexit. But there are many more. The Bad Boys of Brexit are an unholy alliance. They are global Money Men, small-state Regulation Burners and people with highly questionable Russian Connections, some of whom have undermined the very foundations of democracy."

Shahmir Sanni, a volunteer for Vote Leave, the official pro-Brexit EU referendum campaign, explains how a data company linked to Cambridge Analytica played a crucial role in the result, and voices his concerns that electoral spending rules were manipulated… and evidence apparently destroyed.