During the existence of mankind, society has not been able to eradicate the system of buying and selling human beings, as it has been present since ancient civilizations. Taking on the shapes of sex slavery, organ theft and involuntary labor among others, modern slave trade is one of the most profitable industries of organized crime, bringing in billions of dollars to the most influential crime networks. This book contains rich and comprehensive information on one of law enforcement's biggest challenges modern slavery and the main issues associated with it.