Capotes Purpose In Writing In Cold Blood In Cold Blood Essay..?

In cold blood essay..? - capotes purpose in writing in cold blood

I need an essay on the writing of Capote, In Cold Blood to write, and had planned to write about how they created a new genre combining, journalism, fiction, and fiction. I need to know whether to go in the right direction and if theres no proposals are used for the literary elements support. Any help would be great, thanks!