Forensic biologists play a leading role in many investigations. They collect and examine bodily fluids, hair, and bones, in order to identify suspects. This book details the job of a forensic biologist, and examines the tools and techniques they use to collect analyze biological evidence. The tiniest bit of evidence can unravel the most puzzling of crimes. Sidebars are included, which offer step-by-step explanations of scientific and legal processes.