I'll just cut to the chase. We're here because of the Dziekanski affair, but we can't talk about it because we know it's under investigation.
Most of my questions will be for Mr. Lawrence, and then Assistant Commissioner LaFosse.
Mr. Lawrence, in your years of experience as a police officer and from your research, were there any deaths, whether by natural causes or of persons in custody, where after the post-mortems and investigations the causes could not be determined scientifically?