Directions: Please answer each of the following 6 questions and ensure that each response is at least one page in length. Please use proper APA formatting and cite any sources used. Show your references on a reference page. Chapter 17 Essay Questions: 1. What techniques does an investigator use to analyze tool marks that cannot be removed from a crime scene? What is the disadvantage of this technique? 2. What is the first thing the investigator does before handling or moving any impression at a crime scene? Why is this considered merely a backup or precautionary procedure? 3. What kinds of impression evidence might a forensic odontologist be asked to analyze? How might this help identify a suspect? Chapter 18 Essay Questions: 1. Describe two methods used to recover writing from charred documents. 2. Describe two methods used to read indented writing. 3. From what substances are most commercial inks made? What technique is used to compare inks? What characteristic provides points of comparison between different inks