http://www.telegraph.co.uk/science/science-news/9267147/Its-nature-not-nurture-personality-lies-in-genes-twins-study-shows.html Read this article and express the main idea, the problem stated, your point of view.
Follow the link, watch the video and try to investigate the most mysterious death or even a murder in British history! Do your best to solve the problem and work out who the murderer was, or was it just an accident...?