How did the 2020 mass shooting in Nova Scotia become Canada’s worst mass shooting?

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The 2020 mass shooting in Nova Scotia is considered the deadliest in Canadian history due to the scale of the violence and the duration of the perpetrator's actions. Over the course of a 13-hour rampage on April 18 and 19, 2020, a gunman killed 22 people and injured several others.12

The incident was particularly notable for the perpetrator's use of a fake police vehicle, which allowed him to move through communities while evading immediate detection. During the attack, the gunman also set numerous fires before he was eventually located and killed by the Royal Canadian Mounted Police. This tragedy, along with other historical acts of violence, has since fueled a significant national debate regarding gun control policies in Canada.12