 The senators requested Shanahan explain the inconsistencies and that Shanahan provide both "a staff-level briefing on this matter within seven days" and an explanation on how he would address Neller's concerns.In April 2019, Gillibrand was one of nineteen senators to sign a letter to top members on the Appropriations Committee Richard Shelby and Patrick Leahy and top members of its Homeland Security subcommittee Shelley Moore Capito and Jon Tester indicating that they could not "support the appropriation of funds that would expand this administration’s unnecessarily cruel immigration enforcement policies, its inhumane immigrant detention systems, or its efforts to build the president’s vanity projects" and urging Congress to "resist efforts to raid critical and effective public safety programs in order to pay for political theatrics" as President Trump's "manufactured emergency" was not justification for "spending taxpayer dollars on an ineffective wall.