The roads outside the X Club nightspot in Bissau, capital of the world's fifth poorest country, are cracked and pot-holed. They have not been repaired since they were torn up by the tracks of military vehicles during Guinea-Bissau's civil war of the late 1990s. But the cars that are parked outside - Porsche and Audi four-wheel drives - wouldn't look out of place in the wealthiest quarters of London. Inside, the music is thumping Europop, a beer costs more than twice the average daily income of a dollar a day. Many of the clubbers, though, are knocking back the imported whisky, which costs up to $80 a bottle. One of the regulars points out the people who represent the various stages of the cocaine supply chain from South America via Guinea-Bissau in West Africa to the UK and the rest of Europe. 'He's a pretty big dealer, and that's one of his security guys. That guy there thinks he's big news but he's just small-time. That woman is a mule. She's been to Europe a couple of times. Click here to read more.