Canada School Shooter’s Online Life Showed Interest in Violent Extremism NYT Par :Matina Stevis-Gridneff · Aric Toler · Pranav Baskar · Malachy Browne · Amy Harmon and Vjosa Isai 13 février 2026 à 03:26 The suspect in the British Columbia shooting had long been posting about mental health problems, substance abuse and a fascination with weapons and online violence. © Alana Paterson for The New York TimesThe family home where the authorities say Jesse Van Rootselaar killed her mother, Jennifer Jacobs, and her brother, Emmett Jacobs.