Toxicology does embrace the study of deleterious effects of substance exposure not only to the human body but also to the environment and all other organisms existing in the environment. Information in forensic toxicology plays a very important role. The forensic pathologist usually seeks toxicological analyses on basis of the information available at the time of the medicolegal autopsy. The book presents the review of the most up-to-date analytical methods in forensic analysis, along with state-of-the-art developments in the field.