Environmental Protection Agency (EPA) Administrator Scott Pruitt attends a 2018 Hurricane Briefing at the Federal Emergency Management Agency (FEMA) headquarters in Washington, DC, on June 6, 2018. - US President Donald Trump and First Lady Melania Trump also attended the meeting. (JIM WATSON/AFP/Getty Images)
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Whistleblower: EPA's Pruitt kept secret calendar to hide meetings
Anderson Cooper 360
An EPA whistleblower tells CNN's Drew Griffin that Scott Pruitt directed staff to scrub his official calendar to hide meetings.
04:22 - Source: CNN
Scott Pruitt and the EPA 16 videos
Environmental Protection Agency (EPA) Administrator Scott Pruitt attends a 2018 Hurricane Briefing at the Federal Emergency Management Agency (FEMA) headquarters in Washington, DC, on June 6, 2018. - US President Donald Trump and First Lady Melania Trump also attended the meeting. (JIM WATSON/AFP/Getty Images)
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Whistleblower: EPA's Pruitt kept secret calendar to hide meetings
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Environmental Protection Agency (EPA) Administrator Scott Pruitt testifies about the fiscal year 2018 budget during a Senate Appropriations Subcommittee on Interior, Environment, and Related Agencies hearing on Capitol Hill in Washington, DC, June 27, 2017. / AFP PHOTO / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
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EPA chief Scott Pruitt resigns
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Trump administration's big exits in 2018
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EAST CHICAGO, IN - APRIL 19: U.S. EPA Administrator Scott Pruitt makes a statement to the media after meeting residents from and taking a brief tour of the West Calumet Housing Complex on April 19, 2017 in East Chicago, Indiana. Nearly all the residents of the complex were ordered to move by the East Chicago Housing Authority after the soil and many homes in the complex were found to contain high levels of lead. The area has been declared an EPA superfund site. This was Pruitt's first visit to a superfund site since being named the agency's administrator. The complex is scheduled for demolition. (Photo by Scott Olson/Getty Images)
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Lawmakers want probe of Pruitt's secret calendar
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WASHINGTON, DC - JANUARY 18: Oklahoma Attorney General Scott Pruitt, President-elect Donald Trump's choice to head the Environmental Protection Agency, testifies during his confirmation hearing before the Senate Committee on Environment and Public Works on Capitol Hill January 18, 2017 in Washington, DC. Pruitt is expected to face tough questioning about his stance on climate change and ties to the oil and gas industry. (Photo by Aaron P. Bernstein/Getty Images)
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Why Scott Pruitt may be getting a pass
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Pruitt appealed to Trump to get Sessions' job
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EAST CHICAGO, IN - APRIL 19: U.S. EPA Administrator Scott Pruitt makes a statement to the media after meeting residents from and taking a brief tour of the West Calumet Housing Complex on April 19, 2017 in East Chicago, Indiana. Nearly all the residents of the complex were ordered to move by the East Chicago Housing Authority after the soil and many homes in the complex were found to contain high levels of lead. The area has been declared an EPA superfund site. This was Pruitt's first visit to a superfund site since being named the agency's administrator. The complex is scheduled for demolition. (Photo by Scott Olson/Getty Images)
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Conservatives turn on embattled EPA chief
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In this May 16, 2018, photo, Environmental Protection Agency Administrator Scott Pruitt appears before a Senate Appropriations subcommittee on the Interior, Environment, and Related Agencies on budget on Capitol Hill in Washington. Pruitt claimed credit for pollution cleanups done mostly by the Obama administration while flubbing facts about his 2017 condo deal and blaming underlings for his ethical woes. (AP Photo/Andrew Harnik)
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WaPo: Pruitt enlisted aide to get wife a job
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Pruitt interrupted by protester holding lotion
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WASHINGTON, DC - MAY 16: EPA Administrator Scott Pruitt, testifies during a Senate Appropriations Subcommittee hearing on Capitol Hill, May 16, 2018 in Washington, DC. The Subcommittee is hearing testimony on the proposed budget estimates for FY2019 for the Environmental Protection Agency. (Photo by Mark Wilson/Getty Images)
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Dems ask FBI to investigate Scott Pruitt
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Environmental Protection Agency (EPA) Administrator Scott Pruitt testifies about the fiscal year 2018 budget during a Senate Appropriations Subcommittee on Interior, Environment, and Related Agencies hearing on Capitol Hill in Washington, DC, June 27, 2017. / AFP PHOTO / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
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WaPo: Pruitt used EPA aide to help wife
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WASHINGTON, DC - DECEMBER 7: Environmental Protection Agency Administrator Scott Pruitt testifies before the House Energy and Commerce Committee about the mission of the U.S. Environmental Protection Agency on December 7, 2017 in Washington, DC. (Photo by Pete Marovich/Getty Images)
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EPA spent nearly $3.5M on security for Pruitt
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EPA Administrator Scott Pruitt testifies before the House Appropriations Committee during a hearing on the 2019 Fiscal Year EPA budget at the Capitol on April 26, 2018 in Washington, DC. (Alex Edelman/Getty Images)
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Aide sought used Trump hotel mattress for Pruitt
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WASHINGTON, DC - JANUARY 18: Oklahoma Attorney General Scott Pruitt, President-elect Donald Trump's choice to head the Environmental Protection Agency, testifies during his confirmation hearing before the Senate Committee on Environment and Public Works on Capitol Hill January 18, 2017 in Washington, DC. Pruitt is expected to face tough questioning about his stance on climate change and ties to the oil and gas industry. (Photo by Aaron P. Bernstein/Getty Images)
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Pruitt target of at least 11 federal probes
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Environmental Protection Agency Administrator Scott Pruitt testifies before the House Energy and Commerce Committee's Environment Subcommittee in the Rayburn House Office Building on Capitol Hill April 26, 2018 in Washington, DC. (Chip Somodevilla/Getty Images)
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EPA's embattled Pruitt grilled on Capitol Hill
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WASHINGTON, DC - NOVEMBER 17: Environmental Protection Agency Administrator Scott Pruitt leaves after he spoke at an event November 17, 2017 in Washington, DC. Pruitt addressed The Federalist Society's 2017 National Lawyers Convention at the Mayflower Hotel. (Photo by Alex Wong/Getty Images)
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Republicans wants answers from EPA chief
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