Sen. Lindsey GrahamLindsey Olin GrahamGraham reports 'record-breaking' 9M haul during 2020 campaign Lawmakers pressure leaders to reach COVID-19 relief deal Biden: Trump attending inauguration is 'of consequence' to the country MORE (R-S.C.) said Sunday that he believes he has the votes to keep professed 9/11 mastermind Khalid Sheikh Mohammed from being tried in a U.S. civilian court.

The senator said on "Fox News Sunday" he believed in an "all of the above" approach to trying terror suspects that could utilize civilian courts and military commissions, but said he would do "everything in my power" to keep Mohammed and 9/11 co-conspirators from being tried in a civilian court.

"It is a disaster waiting to happen," Graham said. "I believe I have the votes to block it."

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The administration's plans for trying future terror suspects is in limbo since Ahmed Ghailani, a Guantanamo detainee charged in the bombings of the U.S. embassies in Kenya and Tanzania, was acquitted on 284 counts and convicted on one charge of conspiracy to commit terrorist acts.

Secretary of State Hillary Rodham Clinton stressed last weekend that there will be a recommendation coming from Attorney General Eric HolderEric Himpton HolderEx-AG Holder urges GOP to speak against Trump efforts to 'subvert' election results Tyson Foods suspends Iowa plant officials amid coronavirus scandal Money can't buy the Senate MORE on trying Mohammed.

Sen. Claire McCaskillClaire Conner McCaskillMcCaskill: 'Hypocrisy' for GOP to target Biden nominee's tweets after Trump Democrats must turn around Utah police arrest man driving 130 mph claiming he was going to kill former Missouri senator MORE (D-Mo.) said on the same program that "each case needs to be dictated by the facts" and the "very highest" operatives behind the 9/11 attacks should be tried in military courts, but stressed it should be on a "case-by-case basis."

"He was ready to plead guilty before the Obama administration stopped the trial," Graham said of Mohammed sending a note to the military judge in his case back in 2008, expressing his desire to plead guilty.