In late May, the Tk'eml\xfaps te Secw\xe9pemc First Nation shocked Canadians with a preliminary finding of unmarked graves near the former site of the Kamloops Indian Residential School. Yesterday, the nation released more details. An expert said some 200 possible graves have been identified, but added that number might rise since 64 hectares remain unsurveyed and more forensic investigation and excavation work is needed. CBC Vancouver's Angela Sterritt breaks down what we now know \u2014 and tells us what's next.