Firearms Examiner in the crime lab Original responses to the questions need to be substantial (500 words minimum) and significantly supported by the course textbook and at least one other scholarly, peer reviewed, source. Course Textbooks: Gaensslen, R.E. (2008). Introduction to Forensics & Criminalistics. McGraw-Hill Companies, Inc. ISBN: 978-0-07-298848-2. 1. […]