According to Stats Canada, the only group that is more at risk of being murdered on the job are cabbies. Now if you're envious of that....
People get murdered all the time, not just cops. Out of the 70,000 officers in Canada, maybe 2 or 3 die in the line of duty per year? That's statistically insignificant. WAY more workers die in other industries... construction, transport, fishing, logging, mining, you name it.