Find out inside: What are the three different types of fingerprint? Why are dogs sometimes used at crime scenes? How can a maggot help reveal a victim s time of death? Why do people commit crimes? How do they do it and what are the consequences? Read this book and find out how the examination of a crime scene can reveal a lot of hidden secrets. Look at the kind of clues that criminals often leave behind and discover how experts piece together evidence to help them solve crimes.".