What we say is that should such a program be put to us we would do the same as we have done, for example, on the body scanners. We would require a privacy impact assessment: a full explanation of why you need this measure, why it would be helpful, and how privacy would be protected. And we would review it in that same fashion. That kind of program would in fact need to have a privacy impact assessment, just like the body scanners did, for example--
On May 11th, 2010. See this statement in context.