II 115th CONGRESS 1st Session S. 1915 IN THE SENATE OF THE UNITED STATES October 4, 2017 Mr. Markey (for himself, Ms. Warren , and Mr. Van Hollen ) introduced the following bill; which was read twice and referred to the Committee on Commerce, Science, and Transportation A BILL To provide for the development and use of technology for personalized handguns, to require that all handguns manufactured or sold in, or imported into, the United States incorporate such technology, and for other purposes.