security fail in Canada over Muslim attacks?

A security camera pic of Zale H. Thompson, described as "a Muslim convert", who charged at four New York City police officers with a metal hatchet on Thursday, hitting two of them. The attack was the third on people in uniform in North America in a week. He got the same treatment as the two Muslim nuts who attacked soldiers in Canada--shot dead.  Read more

It raises the question, what was being done in Canadian security intelligence circles to prevent this, particularly the Ottawa incident?  It is known as a country where authorities are lackadaisical about scam artists and fraudsters, and this adds to the clear shortcoming in apprehensions of those with criminal minds.