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/ Source: TODAY
By Eun Kyung Kim

A University of Oklahoma senior says that despite being "disgusted and appalled" by the video showing Sigma Alpha Epsilon fraternity members singing racist language, she also wasn’t "surprised" by it.

"I would definitely say this is not an isolated incident," said the student, who asked her name not be used or her face shown because she didn't want to be associated with the fraternity.

“I had witnessed it before and to be honest I'm kind of glad it was released because now they can be punished for it once and for all,” she told NBC's Gabe Gutierrez in an exclusive interview.

The student said she heard the same song being chanted two years ago by “all of the fraternity members” on a bus she rode to a SAE "date" party.

“It was really offensive to sit there and listen to that especially because they would just chant it and then laugh after and they thought it was funny,” she said. “And after that, I just did not want to associate myself with any of them.”

The fraternity’s national headquarters said it is looking into similar allegations that the chant captured on the video reflects a history of disturbing behavior.

"We have learned that others have come forth to say they have heard the chant before, which is deeply disturbing,” it said in a email statement to NBC News. “Our current administration and staff have never heard this inappropriate and racist chant but are investigating.”

The University of Oklahoma on Monday shut down the fraternity, and on Tuesday, the school's president expelled two students identified as playing a leadership role in the singing of the racist chant.

Follow TODAY.com writer Eun Kyung Kim on Twitter.