Use the three elements of Fairclough's Critical Discourse Analysis (description, interpretation and explanation) to analyze the strength and weaknesses of the police criminal investigation department when investigating the following case laws and how these strength and weaknesses affects the final judgement of each of the following case laws

1. Successful Case Law: United States v. Madoff (2009)

2. Unsuccessful Case Law: United States v. Stanford (2009)

3. Successful Case Law: United States v. Skilling (2006)

4. Unsuccessful Case Law: United States v. Scrushy (2005)

5. Successful Case Law: United States v. Rajaratnam (2011)

6. Unsuccessful Case Law: United States v. Quattrone (2004)