Book excerpt: Get a clue about the most vital components of criminal investigation. This new edition offers the most up-do-date scientific investigation methods used by today's law enforcement agencies, including criminal profiling, lie detector technology, and DNA analyses, with an emphasis on forensic pathology, anthropology, and psychology. -Guy Antinozzi is a veteran police officer and detective who teaches in the field -Focuses on the use of forensics in criminal investigations instead of academic and theoretical criminology