Sideface: She is not a "biracial person" - she describes herself as "transracist".
That is transracial. However she is reported to have said..."Dolezal said published accounts described her first as "transracial," then "biracial," then as "a black woman."
It is on Stuff so hmmm accuracy maybe an issue
http://www.stuff.co.nz/world/americas/69454905/rachel-dolezal-denies-blackface-performance
