I 115th CONGRESS 2d Session H. R. 6443 IN THE HOUSE OF REPRESENTATIVES July 19, 2018 Mr. Ratcliffe (for himself, Mr. Richmond , Mr. McCaul , Mr. Katko , and Mr. Fitzpatrick ) introduced the following bill; which was referred to the Committee on Homeland Security A BILL To amend the Homeland Security Act of 2002 to authorize the Secretary of Homeland Security to establish a continuous diagnostics and mitigation program at the Department of Homeland Security, and for other purposes.