II 116th CONGRESS 1st Session S. 1373 IN THE SENATE OF THE UNITED STATES May 8, 2019 Mr. Cassidy (for himself and Ms. Baldwin ) introduced the following bill; which was read twice and referred to the Committee on Homeland Security and Governmental Affairs A BILL To require the United States Postal Service to enter into an agreement with U.S. Customs and Border Protection to train employees of the Postal Service to identify illicit packages.