Gang wars threaten tourist trade to famous Acapulco dive events Packed crowds have gathered on the cliff tops of Acapulco since the 1930s to watch professional divers plunge into the shallow waters of the Pacific. But since the 2009 outbreak of swine flu and the inter-cartel violence which exploded in Acapulco in the last year - business has plummeted. Angel David Castrejon, who has been performing since he was 16, explains how the downturn in tourism has affected his profession.