In some instances, consular officials have been delegated to do this. The difficulty is that, if it's not a British national, the British consular officials don't have any right to see the person, but of course, the country can agree to it. However, that gives [Technical difficulty—Editor] resource implications when countries can be concerned about using consular staff in order to do this. That, to my mind, is quite a safe way of doing it, because it gives the person a confidential ability to report ill-treatment.
The other mechanisms that have been suggested are human rights bodies, but again, there are practical difficulties with them.
I think the most serious issue about monitoring is what you do if there is a breach. The only repercussion is diplomatic, because the [Technical difficulty—Editor] that is given is diplomatic assurance. It's given from one country to another. If there is a breach, and you can establish that in a way that's objectively verifiable, what then happens?