University of Calgary student accused of killing 5 schoolmates at party . Matthew Van Grood , son of a police officer , is charged with first - degree murder . De Grood , 22 , is the son of a longtime Calgary police officer . The murders are ` ` the worst mass murder in Calgary 's history , '' police chief said .
University of Calgary student accused of killing 5 schoolmates at party . Matthew Van Grood , son of a police officer , is charged with first - degree murder . The murders are ` ` the worst mass murder in Calgary 's history , '' police chief said .