Via her verified Twitter account, CBS investigative news reporter Sharyl Attkisson announced Monday that she has resigned from CBS.

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I have resigned from CBS. — Sharyl Attkisson (@SharylAttkisson) March 10, 2014

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Although Politico received no comment from Attkisson other than that the split was amicable, the left-wing outlet is reporting that Attkisson left due to the network’s “liberal bias.” This split is ahead of her contract. “She increasingly felt like her work was no longer supported and that it was a struggle to get her packages on television.”

Politico writes that Attkisson became “a polarizing figure at the network.” Some saw a political agenda in her work. Politico adds:

The bulk of Attkisson’s work since 2009 has focused on the failures or perceived failures of the Obama administration, including the administration’s failed green energy investments and the attack in Benghazi, though she has reported on several Republican failures as well.

Of course, in 2009 President Obama became president. Apparently Attkisson stuck out as an oddball to some at CBS and the rest of the media for daring to investigate power when it is held by a Democrat.

Back in May, Breitbart News reported that the President of CBS News, David Rhodes, is the brother of President Obama’s National Security advisor, Ben Rhodes. According to ABC News, Brother Ben was very much involved in the Benghazi scandal, specifically the infamous talking points that — with the help of the mainstream media — misled the nation for weeks in the heat of Obama’s 2012 re-election campaign.

Attkisson distinguished herself during the Obama Administration as one of a few mainstream media reporters interested in getting to the truth of Benghazi and Fast and Furious. The rest of the media spent all of its energy attempting to protect Obama from these scandals – pushing back against critical Republicans and alternative media.

Attkisson has been with CBS since 1993 and won an Emmy for her reporting in 2002. According to Politico, she is currently working on a book titled: “Stonewalled: One Reporter’s Fight for Truth in Obama’s Washington.”

Follow John Nolte on Twitter @NolteNC