Updated and expanded to reflect changes in recent years, this second edition covers virtually every aspect of this dangerous drug, including history, pharmacology, pathology, physiology, treatment, clinical and forensic psychology, and legal aspects. This edition features new chapters on criminal- and civil-forensic applications including an in-depth discussion of recent laws. Pointing out important cases, articles, and statistics, the text also presents chapters on neuropsychological testing; normative data on risk analysis and violence prediction; the physiology of tweaking, the most dangerous stage of the meth cycle; and the efficacy of treatment programs including examples from newly established drug courts.