http://www.ncjrs.org/pdffiles1/nij/204989.pdf
"This NIJ Research in Brief presents findings of a study that uncovered the inner workings of Chinese human smuggling organizations by going right to the source-smugglers themselves. Researchers found that most human smugglers are ordinary citizens whose social networks provide the necessary connections and resources to profit from human trade. Enforcement efforts need to consider the unique organization of smuggling enterprises and how smugglers are perceived by themselves and their clients. "
