A bipartisan group of senators is preparing to revive legislation to protect special counsel Robert MuellerRobert (Bob) Swan MuellerJeffries blasts Trump for attack on Thunberg at impeachment hearing Live coverage: House panel debates articles of impeachment Trump says he'll release financial records before election, knocks Dems' efforts MORE from being fired. 

Sens. Christopher CoonsChristopher (Chris) Andrew CoonsSenators zero in on shadowy court at center of IG report DOJ inspector general refutes Trump claim that Obama tapped his wires Live coverage: DOJ inspector general testifies on Capitol Hill MORE (D-Del.), Thom TillisThomas (Thom) Roland TillisSenators zero in on shadowy court at center of IG report Democrats spend big to put Senate in play Group of veterans call on lawmakers to support impeachment, 'put country over politics' MORE (R-N.C.), Cory BookerCory Anthony BookerTrump neck and neck with top 2020 Democrats in Wisconsin: poll Booker says he will not make December debate stage White House makes push for paid family leave and child care reform MORE (D-N.J.) and Lindsey GrahamLindsey Olin GrahamSenators zero in on shadowy court at center of IG report Graham: People should be fired over surveillance report findings GOP, Trump campaign rip CNN for coverage of Horowitz hearing MORE (R-S.C.) will reintroduce the legislation this week, spokespeople for Coons confirmed. 
 
The legislation protects Mueller, or any other special counsel, in the event he is fired by providing for an "expedited review" of the firing. If a court determines that it wasn't for "good cause," the special counsel would be reinstated.
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It would also codify Justice Department regulations that say only a senior department official could fire Mueller or another special counsel.
 
Republican backers of the legislation have said they don't believe President TrumpDonald John TrumpSenate gears up for battle over witnesses in impeachment trial Vulnerable Democrats tout legislative wins, not impeachment Trump appears to set personal record for tweets in a day MORE will fire Mueller, whom he has accused of leading a "witch hunt" against him, but that the legislation is good policy regardless of who is in the White House. 

Tillis said in a statement to The Associated Press, which first reported plans to reintroduce the bill this week, that he believes it "is true" that Trump won't fire Mueller. 

"However, I also believe this bipartisan legislation is good government policy with enduring value across the current and future administrations," Tillis said. 

House Democrats introduced similar legislation last week on the first day the party took back control of that chamber, arguing the bill was key to making sure Mueller's probe into the 2016 election continues unimpeded. Both acting Attorney General Matthew Whitaker and William Barr, Trump's pick to be attorney general, have been critical of the investigation.
 
Though Graham is taking over as Judiciary Committee chairman, the bill is unlikely to clear the Senate. GOP leadership is opposed to the bill and other Republican senators believe it is unconstitutional. 
 
 
Under the upper chamber's rules, senators can go to the floor to request a vote or passage of any bill or nomination. But any senator can block their requests.