The development of forensic science has fundamentally changed the way that crimes are solved and criminals caught. Starting from the principle that “every contact leaves a trace,” Dr. Erzinçlioglu explains investigative techniques that until now have remained mysteries to the outsider. Chapters on poisons, alcohol and drugs, blood and body fluids, trace and contact evidence, ballistics, terrorism and forensic science, and more reveal the workings of a science that would cause even Sherlock Holmes to marvel.