1. In what areas were Dr. Siegel qualified as an expert for this trial?
 

2. In what context was the Locard Exchange Principle mentioned?  Why did the defense attorney bring it up?
 

3. What articles of demonstrative evidence were presented by the defense through Dr. Siegel?  What effects did the defense hope this evidence would have on the jury?
 

4. What part of the overall defense strategy was Dr. Siegel brought in to testify on?  What did the defense attorney hope to convince the jury with Dr. Siegel's testimony?
 

5. Why did the prosecutor make and issue of the possibility that there were blades of grass mixed in with the sand?  What did she imply that he did with this evidence?  How did the defense attorney counteract this attack?
 

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