Malaysian scholarship student at Imperial College kept 30,000 double encrypted child porn images and a mannequin of young boy in his flat. Wrongly reported in the international press as five years, actual sentence was 9 months which enabled him to return to Malaysia within a month (time served).
http://www.standard.co.uk/news/crime/malaysian-maths-student-at-imperial-college-kept-30000-child-porn-images-and-mannequin-of-young-boy-10217140.html