Share selection to: Aboriginal and Torres Strait Islander readers are advised that this story may contain video, voices and images of deceased persons. Finding old family photographs in a suitcase is fairly common – almost infinitely less so that one of those pictures, combined with footage unearthed by a filmmaker, would lead to a feature-length documentary that tells the story of a key figure in Australian history.This was the case for Tiriki Onus, a Yorta Yorta...