'We're thrilled:' Bills to expand firearms background checks welcomed by Newtown nonprofits FacebookTwitterEmail 1of8 File photo: Po Murray, chairwoman of Newtown Action Alliance, 2013.Tyler Sizemore / Tyler SizemoreShow MoreShow Less 2of8 Mark Barden, co-founder and managing director of Sandy Hook Promise.Erik Trautmann / Hearst Connecticut MediaShow MoreShow Less 3of8 4of8 U.S. Sen. Chris Murphy (D-CT) during a hearing of the Senate Foreign Relations Committee on January 27, 2021 in Washington, D.C.Greg Nash / Getty ImagesShow MoreShow Less 8of8 NEWTOWN — Bills that would expand background checks for firearms sold online and at gun shows were welcomed Tuesday by two nonprofits that formed after the 2012 Sandy Hook shooting.