---

Policing and Crime Bill

I understand the point the noble Lord makes. The difference is simply that he is seeing this as a one-dimensional picture. Many of these traffickers and the brothels in which prostitutes work—they are moved between different locations—will be matters of covert police investigation. The police will build up evidence over time. It may well not be a case of arresting all those in the building at the time. The covert operation may identify people who use the trafficked prostitutes and, when that evidence has been built up, arrests can be made. The collection of evidence is not the easiest of tasks. To return to a point made by the noble and learned Baroness, it is extremely difficult to capture and bring to court traffickers on an international basis. That is why international co-operation—