II 115th CONGRESS 2d Session S. 3474 IN THE SENATE OF THE UNITED STATES September 18, 2018 Mr. Portman (for himself, Mr. Blumenthal , Mr. Lankford , and Mr. Carper ) introduced the following bill; which was read twice and referred to the Committee on the Judiciary A BILL To clarify responsibilities related to unaccompanied alien children, to provide additional protections and tracking mechanisms for such children, and for other purposes.