Abstract Background In the US more than 1 in 4 women and 1 in 7 men have experienced severe physical violence by an intimate partner. The most severe violence, violence that ends in death, disproportionately affects women. Current or former male intimate partners commit the majority of homicides of females and fifty to 60 % of these homicides are perpetrated with firearms. Most murder-suicides involve intimate partners and the vast majority of these cases are women murdered by intimate partners using a firearm. Little data exist to illuminate the social and legal circumstances surrounding firearm use in intimate partner homicide. Here we describe US Domestic Violence Fatality Review Teams and the planning and development of a National Clear...