. >>> former arizona congressman gaby giffords who surfed a deadly mass shooting in 2011 was at an unlikely location today. she toured a gun show in upstate new york. giffords, still partially paralyzed, was there to support a call for ieter fwun control. we have more. >> reporter: it might be one of the last places you'd expect a shooting victim to be, at a gun show. >> gabby, one of our females in new york. >> it was safety, not sales that brought the former congresswoman here. >> now is the time to come together. be responsible. democrats, republicans, everyone. >> her visit, along with husband markely is part of the couple's national campaign to expand background checks for gun sales. her crusade ties to the history of her assailant, jared lout ner. he purchased his gun legally in arizona. his mental instability never legally determined, and that allowed him to pass the state background check. for the past two years giffords, who is a gun owner herself, has appealed to congressional lawmakers to close loopholes that allow criminals and the mentally ill to purchase guns. >> you must act.