"[1] The bill was sponsored by Senators Cory Booker (D-NJ), Lindsey Graham (R-SC), Chris Coons (D-DE) and Thom Tillis (R-NC).

[2] The consolidated bill was announced on April 11, 2018, shortly after a raid on Michael Cohen related to the ongoing Special Counsel investigation, leading to renewed fears that President Donald Trump would fire Special Counsel Robert Mueller.

[3][4] Senate Judiciary Committee Chair Chuck Grassley (R-IA) sought expedited consideration of the bill, although its chances of reaching a vote of the full Senate were considered slim due to opposition by the Republican leadership, even if the bill was passed by the committee.

[9][10] Versions of the bill were reintroduced at the beginning of the 116th United States Congress in January 2019 in both the House and the Senate.

"[3] Senate Minority Leader Chuck Schumer (D-NY) supported the bill, saying "Why not pass this legislation now and avoid a constitutional crisis?