(CNN) - A conservative political heavyweight clashed with a super PAC supportive of Newt Gingrich on Sunday, adding to the firestorm over the group's recent video attacking Mitt Romney's corporate background.
President of Club for Growth Chris Chocola charged the super PAC, Winning our Future, with creating a video that is "simply fiction" and "distorted."
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"They take it out of context, and then they reach the conclusion that it's all like this, that, you know, free market capitalism is nothing more than a bunch of looting rich guys," Chocola said on "Fox News Sunday."
The pro-Gingrich group aired excerpts of the nearly half-hour video this week in South Carolina, attempting to detail Romney's work at the private equity firm, Bain Capital.
The video, "King of Bain," depicts Romney as a greedy executive who caused mass job losses when the corporation bought and streamlined companies.
Gingrich himself called on the group to fix inaccuracies in the film, though he did not mention any specific errors. At the same time, he asked Romney to dismiss any falsities found in ads put out by the pro-Romney super PAC, Restore Our Future.
Gregg Phillips, managing director for Winning our Future, responded to Gingrich's request by writing an open letter to Romney, asking the candidate to answer questions about his time at Bain.
But in Sunday's interview, Chocola sided with the former Massachusetts governor, who has called the Bain attacks an assault on free enterprise. While Club for Growth hasn't endorsed a particular candidate, the fiscally conservative group frequently speaks out on issues involving the private sector.
"The reality is, that free market capitalism has done more for the soul of the human race than any other system," Chocola said. "That's the message that every candidate, presidential candidate in the Republican side should be giving. Not this distorted view that's inaccurate."
Rick Tyler, a senior adviser for Winning Our Future and former Gingrich campaign aide, stood by the video on the same program Sunday, saying he was simply holding Romney accountable for his record on job creation.
"This is politics. People are going to bring up lots of different issues to try to connect the dots. Mine is simple. Mitt Romney says he is a job creator. This is about jobs in South Carolina. People ought to know that he is not a job creator," Tyler said.
The film includes testimony from a couple who said they lost their jobs when a Bain-bought plant in Florida shut down in 2005, yet Romney left Bain four years prior.
Defending the discrepancy, Tyler said the company was originally purchased under Romney's tenure in the 1990s, adding the couple said they wished Bain had "left them alone" in the first place.
He also countered the argument that the group was attacking the free market system.
"(The movie) starts out extolling the virtues of capitalism. It does not say that capitalism is bad. It says that capitalism is good," Tyler said.
In response to the video and Tyler's comments on Sunday, Bain Capital provided a statement:
"This collection of untrue and unfair political attacks has been thoroughly repudiated by independent reviewers, and does not withstand a fundamental reality check: Bain Capital has had an extraordinary 28-year record of integrity and of building and growing great companies."