� Introduction � Crimes in Ancient Times� A Peek into Toxicology � Plant Poisons used in Criminal Abortions, Female Foeticides and Female Infanticides � Role of Plant Drugs in Homicides and Suicides � Narcotics and Intoxicants in the World of Crimes � Alcohol � A Grave Crime Weapon � Tobacco Habit � The Insidious Societal Crime� Drug Addiction � A Crime Factor � Drug Trafficking and Smuggling � The Crimes that Network the Nations � Plant Materials used in Various Other Offences � Forensic Poisoning and Animal Poisoning � Adulteration of Food and Other Commodities � Bioterrorism � Forensic Botany � Concluding Remarks