Sexual assault statistics
https://www.bjs.gov/index.cfm?ty=dcdetail&iid=245
https://en.wikipedia.org/wiki/Rape_in_the_United_States
Horvath, Miranda et al. Handbook on the Study of Multiple Perpetrator Rape. Routledge, 2013, page 15.
Stalking statistics
http://victimsofcrime.org/our-programs/stalking-resource-center/stalking-information/stalking-statistics
Katrina Baum et al., “Stalking Victimization in the United States,” (Washington, DC: Bureau of Justice Statistics, 2009).
Blauuw, E. et al., “The Toll of Stalking,” Journal of Interpersonal Violence (2002) 17:50-63.
Breiding, M.J. et al., “Prevalence and Characteristics of Sexual Violence, Stalking, and Intimate Partner Violence Victimization – National Intimate Partner and Sexual Violence Survey, United States, 2011,” Centers for Disease Control and Prevention Morbidity and Morality Weekly Report, (2014) 63:8.
McFarlane, J. et al., “Stalking and Intimate Partner Femicide,” Homicide Studies (2009) 3:4.