THE DEPTHS OF THE UNDERWORLD."
It was no easy matter, and if it had not been for the service of eight or ten courageous and devoted men and women, who
quite literally took their lives- in their hands, the information which is now published in Part I. of their Report could never
have been collected and arranged. For their methods were daring and original. Realizing that it was only by plunging into the depths of the underworld, by living the life of the class they wished to surprise at work—namely, the actual traffickers in women—some of these investigators disguised themselves as Souteneurs, and were thus passed from centre to centre, each time managing to come into contact with the real professional purveyor, learning to know his and her methods, the conditions which helped and those which hin- dered the trade, the ramifications of evil suggestion, the age and nationality of the victims, the danger zones, and so on.