Thank you, honourable member, for that question.
I'll answer the second part, and the first part I'll turn over to Dr. Andrew Patrick.
Several years ago we did some audits on Canadian consulates abroad and their handling of passport applications. We noted some weaknesses in the system at that time. I believe we're currently following up, but I think we could still strengthen the obtention of what my colleague referred to as the foundation documents, which means that the person who is actually giving you the face or the thumbprint is the person that he or she claims to be. I think we can never be too vigilant about that part of our system.
As for the evolution of trends in biometrics—