Mexico's Beach Wars

Every year around 300,000 British tourists visit the white sand beaches and turquoise waters of Cancún, the jewel in Mexico's $20 billion tourism industry. But after a spate of brutal murders, the US government has warned travellers about the risks associated with growing violent crime in the city. Reporter Krishnan Guru-Murthy and director Patrick Wells travel to the country to investigate why the murders are taking place and whether Cancún risks going the same way as Acapulco: once the premier tourism resort in Mexico, but now one that virtually no foreigners visit.