This article addresses the issue of domestic violence against trans women in abusive relationships and examines reasons why they are particularly and uniquely vulnerable. It discusses how both social and legal rules governing gender identity contribute to an abuser's ability to isolate hir victim. It also illuminates how the conscious and unconscious transphobia of service providers heightens this ability. Finally, it discusses the recent reauthorization of the Violence Against Women Act and the impact that proposed changes may have for trans women victims of domestic violence.