2008 Emmy Award-winning Dispatches story of an estimated 15,000 children in Africa's Niger Delta being denounced by Christian pastors as witches and wizards and then killed, tortured or abandoned by their own families. Two-and-a-half-year-old Ellin is one such child. Found at the side of the road, her body having been severely burnt with boiling water. Nwanakwo, eight years old, had acid poured ov