President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE's attorney Rudy Giuliani said on Monday that his call last week for special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE's probe to be suspended was just for show.

“That’s what I’m supposed to do,” Giuliani said in an interview with Politico. “What am I supposed to say? That they should investigate him forever? Sorry, I’m not a sucker.”

The former New York City mayor had called on the Justice Department last week to end Mueller's investigation and claimed that the department's inspector general's (IG) report on the FBI completely undercut the justification.

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“I didn’t think it would,” he said when asked Monday about Mueller's probe wrapping up. “But I still think it should be."

Giuliani said on "Fox & Friends" last week that “they should end it. I mean, the IG report basically tells you that both prongs of the Mueller investigation are either corrupt or answered."

“This report is a complete and absolute explanation of why Comey had to be fired, so how could it be obstruction of justice?” he continued, referring to former FBI Director James Comey James Brien ComeyDemocrats fear Russia interference could spoil bid to retake Senate Book: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa MORE.

The comments came one day after Justice Department Inspector General Michael Horowitz released the report, which said that Comey did not follow FBI guidelines when he criticized then-Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonDemocratic groups using Bloomberg money to launch M in Spanish language ads in Florida The Hill's Campaign Report: Presidential polls tighten weeks out from Election Day More than 50 Latino faith leaders endorse Biden MORE at a July 2016 press conference and announced the FBI would not bring charges against her for sending classified information over the server.

The report also found that text messages exchanged between FBI agents that indicated bias against President Trump during the 2016 campaign did not affect the bureau's decisionmaking or alter the trajectory of any investigations.