Text Analysis: Main Idea and Devices for Developing It Back Part I Main idea? What crime did mr williams Part l commit and how did he spend the monev? Part I (Paras.9-14) Devices for developing it PartⅣV Deduction(演绎法) ordetailsMain idea？ Devices for developing it ? . Text Analysis: Main Idea and Devices for Developing It Back Part III (Paras. 9 - 14) Part I Part II Part IV What crime did Mr. Williams commit and how did he spend the money? Deduction (演绎法）For details