John McAfee
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John McAfee: Addict, coder, runaway

11 October 2013 Last updated at 22:00 BST

Considered by some a software genius, computer security pioneer John McAfee is perhaps better known for his playboy lifestyle and fleeing from the Belize police in 2012 after his neighbour was found murdered - a crime he denies.

A self-publicist extraordinaire who plays up to his bad boy persona, McAfee insists he has nothing to hide.

He spoke to BBC technology reporter Leo Kelion.