Structure of the text 。Part I(para.1-3) Introduction of the central idea:punishment does not reduce crime. 。Part II(para.4-9) Why punishment doesn't deter crime. Conclusion:getting tough 。Part III(para.1o) with criminals is not the answer to the crime problem.Structure of the text • Part I (para.1-3) • Part II (para. 4-9) • Part III (para. 10) Introduction of the central idea: punishment does not reduce crime. Why punishment doesn't deter crime. Conclusion: getting tough with criminals is not the answer to the crime problem