Human trafficking is becoming the phenomenon of the century, destroying individuals, families and communities, being considered a “monstrous crime” that has become the slavery of the modern age. In this research, a brief analysis is carried out on how the application and observance of the principles, on which the collective efforts to create a United Europe are based, are hindered by organized crime networks that deal in particular with human trafficking. The fundamental values on which the very functioning of the European Union is based are under daily attack due to this serious phenomenon that is spreading and growing in our eyes.