When our crew jumped on the boat and traveled up river, into the deep jungle of Belize towards an "eco-lodge" John McAfee was building, he made an ominous reference to that famous Joseph Conrad novella: "Here's your 'Heart of Darkness' moment."

One of the most eccentric characters I've profiled at CNBC, McAfee is now on the run, hiding from the Belizean police who he says, want to kill him. So what is it? Is he being set up, shaken down, the target of corrupt cops or has he gone completely off the rails?