New Benghazi probe evidence puts spotlight back on Clinton

New revelations about the terrorist attack in Benghazi, Libya, are pulling Hillary ClintonHillary Rodham ClintonTrump: Democrats, Russians laughing at 'phony Russian Witch Hunt' Scaramucci makes Sunday shows debut with vow to stop WH leaks Trump backers eye GOP primary challenges for Flake, Heller MORE back into a political firestorm that the presumptive 2016 candidate had so far managed to escape unscathed.

House Republicans have unearthed new evidence suggesting the Obama administration could have done more to help the U.S. diplomats under attack last Sept. 11.

State Department whistle-blowers testifying Wednesday before the House Oversight panel are also expected to say the then-secretary of State was personally involved in the decision to depict the attack that killed Ambassador Christopher Stevens and three other Americans as something other than terrorism.

“I think the dam is about to break on Benghazi. We’re going to find a system failure before, during, and after the attacks,” Sen. Lindsey GrahamLindsey GrahamTrump's DOJ gears up for crackdown on marijuana Business pressure ramps up against Trump's Ex-Im nominee Senators who have felt McCain's wrath talk of their respect for him MORE (R-S.C.) wrote on his Facebook page Tuesday. “We’re going to find political manipulation seven weeks before an election. We’re going to find people asleep at the switch when it comes to the State Department, including Hillary Clinton.”

The latest allegations come from three career diplomats whose testimony Wednesday is expected to be at odds with the State Department’s official narrative. An internal State Department review last year found “systemic failures” among State Department leadership but did not interview Clinton and did not recommend anyone be fired.

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Gregory Hicks, who became the top diplomat in Libya after Stevens was killed, told congressional investigators that the Accountability Review Board report “doesn’t really ascribe blame to any individual at all” and “let people off the hook.” He said sending jet aircraft scrambling over Benghazi could have dispersed the attackers and that the Pentagon told a special operations team from Tripoli to stand down, according to snippets of his interview released ahead of the hearing.

The State Department’s Office of Inspector General is reviewing the process used in conducting the Benghazi audit as well as previous review boards.  More than half the Republican conference is clamoring for a select committee to probe the attack and the administration’s response amid the renewed focus on Benghazi.

Democrats say the Oversight committee’s investigation — and the focus on Clinton — are politically motivated. A Quinnipiac University poll released Thursday found that Clinton would garner 65 percent of her party’s support if the 2016 presidential primary were held now, far ahead of Vice President Biden’s 13 percent.

“The meta message that they’re trying to get out there is that this is a failure in judgment that goes to character,” Virginia Rep. Gerry ConnollyGerry ConnollyDem rep: Trump threatened Mueller by trying to set limits for Russia probe Overnight Cybersecurity: State Department reportedly eliminating cyber office | Senate Intel chief avoids White House during Russia probe | Dem pushes 'ethical hacking' resolution House panel approves backup plan to improve agencies' IT MORE, a senior Democrat on the Oversight and Foreign Affairs panels, told The Hill. “It didn’t work with Obama, so [they’re hoping that] maybe it’ll stick to Clinton.

“They’re trying to bring her numbers down. That’s what this is all about.”

A Clinton aide did not respond to a request for comment.

Connolly also raised concerns with the whistle-blowers’ attorneys, Victoria Toensing and Joseph diGenova, a Republican couple who battled then-President Bill ClintonBill ClintonOPINION | Dems need a fresh face for 2020: Try Kamala Harris Trump approval rating sets new low in second quarter: Gallup OPINION | How Democrats stole the nation's lower federal courts MORE’s Justice Department in the 1990s. Democrats on Issa’s committee have complained that the two attorneys have blocked Democrats’ access to the witnesses ahead of Wednesday’s hearing.

“They both worked with and for, in some capacity, Mitt Romney. There’s no law against that, but don’t tell me that I’m supposed to accept with a straight face that they’re just professional lawyers representing their clients,” Connolly said, naming the 2012 GOP presidential nominee. “They are active Republicans who have partisan agendas, as they always have.”

Republicans say they’re following the leads wherever they point.

Clinton told Congress in January that she took “responsibility” for the security failures but that she was not personally involved either in denying extra security for the post or in crafting talking points downplaying links to al Qaeda and depicting instead a peaceful protest gone awry.

She testified that she did not control United Nations Ambassador Susan Rice’s appearance on Sunday news shows five days after the attack.

“I personally was not focused on talking points,” she said. “I was focused on keeping our people safe.”

Fox News is reporting, however, that a top official in the department’s counterterrorism bureau, Mark Thompson, will testify that Clinton and a top deputy sought to cut his bureau out of the loop as they decided how to characterize the attack.

“I think it was political rather than security,” Rep. Jason ChaffetzJason ChaffetzGuess who’s stumping for states' rights? GOP Rep. Gowdy slams Trump team for 'amnesia' on Russia meetings California Dem sworn in as House member after delay MORE (R-Utah), the chairman of the Oversight subcommittee on National Security, told Fox News on Monday. “But what boggles my mind is four and a half months after the fact, Secretary Clinton still had the gall to come here and perpetuate [that] things that we know as common knowledge are simply not true.”

And full committee Chairman Darrell Issa (R-Calif.) told CBS that “there certainly are plenty of people close to the former secretary who knew, and apparently were part of, the problem.”

This isn’t the first time Clinton finds herself in House Republicans’ cross hairs over Benghazi. Five committees of jurisdiction — including Issa’s — released a 46-page interim report of their investigations last month that put the blame squarely on her shoulders.

But the report may have overreached when it said it had evidence that Clinton had personally signed an April 2012 cable turning down then-Ambassador Gene Cretz’s request for more security. All State Department cables from Washington bear the secretary’s automatic signature, the State Department said.

“Although a telephone call could have clarified this issue in a matter of moments, you chose not to check with the (State) Department before making these highly inflammatory and erroneous accusations in a public forum,” the panel’s top Democrat, Rep. Elijah Cummings (D-Md.), wrote to Speaker John BoehnerJohn BoehnerSudan sanctions spur intense lobbying OPINION | GOP's 7-year ObamaCare blood oath ends in failure A simple fix to encourage bipartisanship in the House MORE (R-Ohio).

“The allegations in your staff report are false, extremely irresponsible, and lack even a rudimentary understanding of how State Department cables are processed,” he said.

Jordy Yager contributed.