Responses of state departments of corrections (DOCs) to prison sexual violence (PSV) are discussed. Sections of this report are: highlights; introduction and why addressing sexual violence in prisons matter; developing policies; prevention efforts; investigation and prosecution; victim services; staff training; documenting incidents of sexual violence; collaborating to address sexual violence; and conclusions and implications. Appendixes provide summaries of 11 case studies about states' programs to address prison sexual violence (i.e., CT, ID, KS, ME, MA, MN, OH, OR, PA, TX, and UT).