WATCH: Scott Brown Staffers "Tomahawk Chop" at Warren Volunteers

| Tue Sep. 25, 2012 11:12 AM EDT

This is how you kill a talking point. On Monday, Sen. Scott Brown (R-Mass.) released a new television ad hammering his Democratic challenger, Elizabeth Warren, for identifying herself as part Native American to her employers at Harvard Law School. On Tuesday, the progressive blog Blue Mass Group published this video, which shows at least three two top Brown staffers shouting Indian war whoops and making tomahawk gestures at a group of Warren supporters:

The Warren volunteers had gathered outside of a Brown campaign event in Boston on Saturday.

Brown's Native American attack always had an air of desperation to it, but this video of his aides—according to Boston ABC affiliate WCVB, that's Brown's deputy Chief of Staff Greg Casey and Constituent Service Counsel Jack Richard in the video—would seem to further complicate his efforts.

Update: Brown's response, per WCVB: "It is certainly something that I don't condone. The real offense is that (Warren) said she was white and then checked the box saying she is Native American, and then she changed her profile in the law directory once she made her tenure."

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