Jan. 22, 2016, shortly after 1 p.m. — Police begin receiving calls from frantic students and teachers who say there is a shooter in the high school. Students, just returning from lunch, flee for their lives. Some run for the doors, others hide in classrooms and in gym dressing rooms. Jan. 22, 2016, before 1 p.m. — Two teen brothers are gunned down in a home on Dene Crescent. There is a chilling exchange between friends chatting online. "Just killed 2 ppl,'' a youth writes to his friends.