Erin Izykowski and Amy Chen, victim advocates who joined the Sexual Assault Prevention and Response Office aboard Marine Corps Base Quantico this summer, bring professional experience in sexual assault, child welfare and domestic violence to the program. - Erin Izykowski and Amy Chen, victim advocates who joined the Sexual Assault Prevention and Response Office aboard Marine Corps Base Quantico this summer, bring professional experience in sexual assault, child welfare and domestic violence to the program.