Desc: Immigration the Unpardonable Sin: Directed by Andrew Mwangi. Immigration 'the unpardonable sin' is a full feature documentary film conceived in order to explore current issues in the United States Immigration process both from a personal awareness and community wide experience. The film provides a revealing perspective of the immigration debate told from professionals working in the immigration field and from a representative subset of the general public.The film presents various challenges involved in navigating today's immigration system and honest, balanced, and informative views on what ought to be done to resolve the broken United States Immigration system.