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.
He reads, educates himself
I think deleting first person will make it sound more professional
<span>Jack places great importance on what exercise can do for his physical and emotional health. </span>