An 18-year-old girl was identified as the person who fatally shot six people at Tumbler Ridge Secondary School and two other people at a private residence Tuesday in one of Canada’s deadliest mass shootings in history. The Royal Canadian Mounted Police said in a press conference Wednesday afternoon that Jesse Van Rootselaar killed her 39-year-old mother and 11-year-old stepbrother at the home before opening fire at the school. Six people were killed at the high school: a 39-year-old female