The only book of its kind on the market, Conspiracy Investigations: Terrorism, Drugs and Gangs is authored by a retired DEA Supervisory Special Agent who was an instructor at the FBI Academy; his real-life examples of the benefits and disadvantages of conducting complex conspiracy investigations will fascinate and inform readers. This timely book describes in detail the methods used in complex criminal investigations that focus on terrorism, drugs, and sophisticated street gangs. Comprehensive and focused, it presents overviews of current drug trends in America, terrorist organizations and their methods of operation, and the major street gangs operating within the United States. It explains in detail what a conspiracy is, what the elements of crime are, how the law allows prosecutors to attach criminal liability to all members of the conspiracy, and the many other advantages of charging defendants with these statutes. Necessary reading for anyone involved in criminal justice, this is also a valuable handbook for criminal investigators, detectives, investigators, narcotic investigators, gang investigators, police officers, and other security and defense personnel.