Louis Theroux travels to Johannesburg, where the residents find themselves increasingly besieged by crime. Despairing of the capability of the police and the courts to protect them, many have turned to an industry of private security, offering protection for a price. Are the sometimes brutal methods of these private police really a solution or just another part of the problem?Louis Theroux travels to Johannesburg, where the residents find themselves increasingly besieged by crime. Despairing of the capability of the police and the courts to protect them, many have turned to an industry of private security, offering protection for a price. Are the sometimes brutal methods of these private police really a solution or just another part of the problem?