

To write In Cold Blood (1966), a nonfiction novel that revolutionized world literature, Truman Capote (1924-84) spent five years in Kansas researching the murder of members of the Clutter family and collecting the confidences of its two authors.
Frédéric Bas
Sarah Weinman
Self

Truman Capote
Self (archive footage)
Alvin Adams Dewey
Self (archive footage)
Perry Smith
Self (archive footage)
Richard Hickock
Self (archive footage)