Study Search Results Your query returned 1 results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. (?) Study Title/Investigator 1. Examination of South Carolina's Sex Offender Registration and Notification (SORN) Policy in Reducing Sexual Violence, 1990-2005 (ICPSR 31502) Letourneau, Elizabeth J.; Levenson, Jill; Armstrong, Kevin; et al.