We found in our practice that it has been useful in the cases relating to national security. In those cases—there are five—the Immigration and Refugee Board has imposed the use of electronic monitoring. We have used electronic monitoring in the small number of other cases involving criminality.
We have not undertaken a cost-benefit analysis to determine the feasibility and the cost-effectiveness of the broader application of electronic monitoring for lower-risk populations. This is, however, an area of interest.
We are considering the potential for undertaking such a study, and we're doing that for a number of reasons. Our detention population is about 400 to 500 on a daily basis, but we do have aging infrastructure. We do have developments across the world that have brought us mass arrivals.
Also, of course, as part of our own evaluation, and as part of evaluations that have been conducted by the Auditor General in recent years, we are constantly looking for ways to strengthen the program performance and its effectiveness. In an environment of increasing fiscal constraint, the possibility of the application of EM is something that we're starting to look at with a bit more focus.