WASHINGTON UNIVERSITY Brown School of Social Work Dissertation Examination Committee: Gautam N. Yadama, Chair Nancy Morrow-Howell Carolyn Lesorogol Shanta Pandey Glenn Davis Stone Jane Aiken VULNERABILITY TO HUMAN TRAFFICKING: A QUALITATIVE STUDY by Nilanjana Ray A dissertation presented to the Graduate School of Arts and Sciences of Washington University in partial fulfillment of the requirements of the degree of Doctor of Philosophy August 2008 Saint Louis, Missouri