It's rather like [b:The Shadow Over Innsmouth|13175692|The Shadow Over Innsmouth|H.P. Lovecraft|https://i.gr-assets.com/images/S/compressed.photo.goodreads.com/books/1323356703i/13175692._SX50_.jpg|26213512] except that the killer is driven by finding out that he's actually an Aborigine instead of the son of a white squatter. Of course the instant he finds out, he's driven to murder and suddenly starts looking and acting more like his now murdered father.

http://pussreboots.com/blog/2019/comments_07/barrakee_mystery.html