II 118th CONGRESS 1st Session S. 3407 IN THE SENATE OF THE UNITED STATES December 5, 2023 Ms. Warren (for herself, Mr. Booker , Mr. Markey , and Ms. Hirono ) introduced the following bill; which was read twice and referred to the Committee on Finance A BILL To end the epidemic of gun violence and build safer communities by strengthening Federal firearms laws and supporting gun violence research, intervention, and prevention initiatives.