When the Independent Commission Against Corruption was established it faced a mammoth task, but had a simple remit. Corruption was a less complicated process at that time, and it was confined within the borders of the territory. Post-handover, and in a climate in which major crime is an international industry, the ICAC handles an infinitely greater caseload involving some of the most sophisticated criminal activities of the electronic age. Officers are trained to detect computer crime and to fight the growing menace of bribes being moved 'on-line'. Though the methods may be new, corruption remains a major threat to Hong Kong's way of life. In staying ahead of the gangs and the crooked operators, the organisation has to expand and adapt. But when a growing part of its work involves infiltrating syndicates with its own agents, they have to make absolutely sure that they are not infiltrated themselves. Therefore it makes good sense to recruit and promote from within. Putting ICAC drivers on to investigative duties is sensible because the staff concerned are part of the culture of the organisation and familiar with its methods. But that means employing outsiders as drivers, and potential employees will have to be subjected to intensive screening to make sure they are of the right calibre. Even though these people are not involved in investigations, they will be aware of some aspects of cases in hand and the safety and security of ICAC officers cannot be compromised. This is particularly important when agents are involved in high-risk undercover probes. The men and women who do this work have to rely on their own wits when they are on a case, but at headquarters they must be able to trust everyone on staff. It is easy to imagine the tension undercover agents work under. They have to create trust in people they will ultimately bring to justice, while one mistake could expose them to real danger. Crucially, they must observe strict guidelines so that laws are not breached, and individual freedoms not threatened. The necessary isolation of their work adds to the stress, and psychological support is essential to enable them to function efficiently in one of the most vital jobs in Hong Kong.