Ellroy is a best-selling crime writer and essayist with a "telegraphic" writing style, which omits words other writers would consider necessary, and often features sentence fragments. Other hallmarks of his work include dense plotting and a relentlessly pessimistic worldview. Ellroy has been called the "Demon Dog of American crime fiction." He's considered as the most charismatic and mysterious american crime writer.
The beginning of the documentary Demon Dog of American Crime Fiction