A shooting in Montreal's Côte-des-Neiges neighbourhood on Monday left three people dead [1].

The incident highlights the persistent threat of targeted violence fueled by extremist ideologies. The discovery of a manifesto linked to the shooter suggests a premeditated attack rooted in systemic grievances.

Authorities said that the three fatalities included a police officer, a civilian, and the gunman [2]. The violence occurred in a residential area of the city, leading to chaos and fear among local residents [1].

Investigators recovered a manifesto left behind by the shooter. The document contained violent rhetoric directed at women, police officers, and other groups [3]. This type of writing is consistent with "incel"—or involuntary celibate—ideologies, which often frame women and society as enemies to justify aggression [3].

Police said they have not released the identity of the gunman or the victims. The investigation remains focused on the contents of the manifesto to determine if the shooter had connections to larger extremist networks or if the attack was a solitary act of violence [3].

Local residents described a scene of panic as the shooting unfolded on Monday [1]. The loss of a police officer marks a significant tragedy for the city's emergency services, while the civilian death underscores the indiscriminate danger posed by such attacks [2].

A shooting in Montreal's Côte-des-Neiges neighbourhood on Monday left three people dead

This event reflects a broader global trend of 'incel' ideology transitioning from online forums to real-world violence. By targeting both women and state authority in the form of police, the perpetrator aligned the attack with a specific brand of misogynistic extremism that views institutional and social structures as legitimate targets for violence.