Lillie & Leander: A Legacy of Violence 2007 on netflix

Documentarian Jeffrey Morgan set out to the track one woman’s search for the truth about her great-great-aunt’s 1908 murder. But his film quickly became a fascinating study of racism, revenge and family secrets. In the process of uncovering information about her ancestor’s violent death at the hands of an African-American suspect, the woman learns that her family tree might have also produced a few murderers.