Mexico's beach wars: This week Krishnan Guru-Murthy is in Mexico to see how the whole tourist industry is at risk of being destroyed. The drug wars are well known and generally kept away from the beach resorts, but right now there is a new threat, even in places like Cancun. The crew normally go and look for the story, but this time it came to them. Be warned there are scenes of gang violence you may find disturbing. Subscribe to our channel for more Unreported World episodes null.