I'd say two things. First I would say that the impact of the police in Toronto was done with the existing laws that didn't require new mandatory minimums, and clearly by having a greater presence and tackling the problem head on. They were probably having some impact, both in terms of arresting people and sentencing them under the current laws, which are not trivial.
The second point was that the high murder rate in Toronto, which you mentioned, was a spike. It wasn't a trend. It was very clear that it grew out of a set of circumstances that were well known in Toronto, and it was absolutely predictable that when the murder rates spiked up, they would drop precipitously. So once again, everybody who does anything at that peak gets the credit. But the circumstances related to those communities were pretty predictable, and in fact we see that from time to time in different communities.