Buffy Sainte-Marie\u2019s claims to Indigenous ancestry are being contradicted by members of her own family and an extensive investigation from The Fifth Estate. The iconic singer-songwriter has rejected the allegations, which she called \u201cdeeply hurtful.\u201d Matt Galloway speaks to investigative reporter Geoff Leo, and Indigenous scholar Kim TallBear, who says if the accusations are true, \u201cBuffy Sainte-Marie has appropriated or stolen the stories of some of the most vulnerable in our society.\u201d