In 57 percent of the US mass shootings between January 2009 and June 2014, the perpetrator killed an intimate partner or family member.
http://everytownresearch.org/reports/guns-and-violence-against-women/#section-bookmark-4
In 1996, Senator Frank Lautenberg (D-NJ) introduced an amendment to the federal appropriations bill to extend the prohibition against gun ownership to those convicted of a domestic abuse misdemeanor. Lautenberg explained the need for the amendment by telling his colleagues that, in far too many cases, “the difference between a murdered wife and a battered wife is often the presence of a gun."
Nineteen states and the District of Columbia also have state laws prohibiting gun possession by domestic violence misdemeanants. The remaining states do not prohibit gun ownership by all abusers who are barred under federal law, which can create serious enforcement challenges. Even if a domestic abuser is barred by federal law from owning a gun, if state law does not include a similar prohibition, state or local prosecutors cannot bring state gun charges against the abuser.
Four significant legal loop holes in the background check system differ state by state:
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1. Prohibits domestic violence misdemeanants from buying or owning firearms.
2. Prohibits subjects of domestic violence restraining orders from buying or owning firearms
3. Requires domestic violence misdemeanants to dispose of firearms in their possession
4. Requires subjects of domestic violence restraining orders to dispose of firearms in their possession
Requiring comprehensive background checks is
a common-sense policy that is proven to save lives. Sixteen states go beyond federal law and require background checks for all handgun sales, including private sales. In those states, 38 percent fewer women are shot to death by intimate partners.
Congress should pass the Public Safety and Second Amendment Rights Protection Act, introduced in 2013 by Senators Pat Toomey (R-Pa.) and Joe Manchin (D-W.Va.), which would require background checks for all commercial sales, including online, at gun shows, and through classified ads.