An Alberta teenager’s arrest over alleged online contact with people affiliated with ISIS is drawing attention to a wider security challenge: preventing extremist violence before it reaches public places.

The case comes as Alberta invests more than $6 million in courthouse security and Edmonton continues screening visitors at city hall, where a gunman opened fire and ignited incendiary devices in January 2024.

The developments involve separate investigations and security decisions. Together, they illustrate the work facing authorities both online and at buildings where Albertans attend hearings, access services and participate in local government.

RCMP’s Integrated National Security Enforcement Team (INSET) began investigating the teenager’s online correspondence in February. Police arrested the 17-year-old on Oct. 26 and initiated proceedings seeking a terrorism peace bond.

The youth was released with conditions and was scheduled to appear in court in Fort McMurray on Nov. 3. The teenager cannot be identified, and police have not publicly detailed the alleged conversations or identified a planned target.

A terrorism peace bond is a preventive measure. Under the Criminal Code, a judge can impose conditions when satisfied there are reasonable grounds to fear someone may commit a terrorism offence.

The concern about young people being drawn into violent extremism extends beyond this investigation.

In its 2025 public report, the Canadian Security Intelligence Service (CSIS) said nearly one in 10 of its terrorism investigations included at least one person younger than 18. Some young people involved in counterterrorism investigations were as young as 13.

The agency described online environments where participants circulate violent material, celebrate previous attackers and encourage one another toward increasingly serious violence. Its concerns encompass several forms of extremism, including ISIS-inspired activity, neo-Nazi networks and groups that promote violence for its own sake.

CSIS reported five minors arrested in Canada in 2023, two in 2024 and four in 2025.

Edmonton’s city hall attack demonstrated the danger an armed person can pose inside an accessible public building.

On Jan. 23, 2024, police said a man entered through the underground parkade, fired a gun and set off incendiary devices. Bullets damaged windows, walls and ceilings. People inside included a class of Grade 1 students.

Nobody was physically injured. Police said the man put down his firearm and surrendered to an unarmed security commissionaire, who detained him until officers arrived.

RCMP subsequently announced terrorism-related charges against Bezhani Sarvar, including counselling the commission of a terrorism offence and possessing property for terrorist purposes. Police described the alleged motivation as political.

At the provincial level, Alberta announced Oct. 22 that more than $6 million is being invested in security improvements at courthouses in Edmonton, Sherwood Park, Lethbridge, Drumheller, Fort McMurray, St. Paul, Pincher Creek, Alexis, Canmore and Cochrane.

The growing involvement of young people in violent extremism is particularly concerning, especially as online platforms make it easier for extremist organizations and individuals to reach impressionable audiences, spread radical ideologies and encourage violence. With Canadian intelligence agencies identifying children as young as 13 in terrorism investigations, the threat can no longer be viewed as one involving only adults or foreign extremist networks.

The challenge for Canadian authorities is not simply to strengthen security at public buildings, but to identify and disrupt radicalization before it develops into violence. As these cases demonstrate, protecting Canadians increasingly requires vigilance against threats that may begin behind a computer screen but have the potential to endanger entire communities.