The city in this case is Naples, capital of the Campania region in southern Italy, and the scum the Camorra, the most ruthless and violent of all Italian criminal organisations, which is responsible for more murders than the IRA. Reporter Mark Franchetti, an Italian expat, ventured down the mean streets of Naples, hidden camera at the ready, with a former Camorra footsoldier as his guide. The organisation operates on a clan structure, with individual clans controlling their own portions of the city. On tourist maps, these are marked in red as no-go areas. Shocking CCTV footage showed an assassin from one clan knifing a rival to death outside a small shop. The bystanders scattered as though they were being chased by a raging bull, because testifying in court is virtually a death sentence. Franchetti's secret footage from the so-called "drug piazzas" in working-class areas of the city painted a bleak picture. In one of these hellholes, which can have a turnover of a couple of million euros worth of drugs in a week, heroin addicts gather in groups to shoot up under a flyover in broad daylight. The ground is carpeted with used syringes. New ones are easy to come by; addicts can buy them in the local sweet shop. The Camorra is also guilty of the ultimate in criminal negligence. It muscled in on legitimate waste disposal companies in the 1990s and now controls the industry, with the result that Naples is suffocating under mountains of refuse. Rubbish is dumped by the roadside ...