This is quite difficult to answer since the puritans were persons who had very strict moral values and i can't find an answer to correspond with the definition.
His reputation was Tom’s greatest possession. This is because “his” is describing Tom and it comes before it.
Class versus individual characteristics: glass and tool marks versus fingerprints, hair and blood is an example of it. The items listed are things that are going to be mentioned in the chapter, which I think will present information that can help us understand criminal investigation better. We are going to learn how much Forensic files and DNA evidences are important in some criminal cases, as well as how all of the above data is collected in a crime scene.