Thirty-three churches have burned to the ground across Canada, since the discovery of possible unmarked children's graves at the former Kamloops Indian Residential School in May, 2021. In most cases, officials have blamed arsonists. CBC’s Terry Reith details his investigation into the pattern of arson, and how it’s tied to Canada’s dark residential school history. For transcripts of Front Burner, please visit: https://www.cbc.ca/radio/frontburner/transcripts Transcripts of each episode will be made available by the next workday.