Webover the summer, armed white men harassed black families, shot at them outside of opelousas (the largest city in st. Landry parish), and killed men, women and. From murder behind velvet curtains in the douce homes of the wealthy to the violent and. Webfrom madelaine smith and oscar slater, by way of the bridgeton billy boys and the norman conks, through to modern villains like paul ferris and tam mcgraw, glasgow's. Webtruman capote’s book in cold blood launched true crime as a modern genre. Errol morris’s 1988 film the thin blue line, which led to an overturned conviction,.