II 116th CONGRESS 1st Session S. 1894 IN THE SENATE OF THE UNITED STATES June 19, 2019 Ms. Cortez Masto (for herself, Mr. Markey , Mrs. Gillibrand , Mr. Blumenthal , and Mr. Merkley ) introduced the following bill; which was read twice and referred to the Committee on the Judiciary A BILL To require the Secretary of Homeland Security to use alternatives to detention for certain vulnerable immigrant populations, and for other purposes.