Mexico's official murder rate last year was nearly 30,000 people. The worst year since the government started counting bodies 20 years ago. It is widely assumed that this is almost entirely caused by the drug wars raging between the country's Narco Cartels and the government. Murdering business or political opponents is taking over from legal action and the ballot box. We travelled to one of the worst hit areas in Mexico, the formerly glamorous playground of the wealthy, Acapulco, to see what is happening to society and why it has become so violent.