The march drew people from throughout the Denver metro area north, as well as northern Colorado. Groups ranging in causes and ages and races attended, including Teachers for Immigrant Rights, Riders Against Illegal Aliens, Fort Collins Mennonites Fellowship for Peace, and NumbersUSA, a group seeking limit the amount of any immigration into the country based on population control.

"This is a MUST SEE video for anyone interested in the immigration debate, whether you are a citizen, an illegal alien or a Congressman. This clip from the longer video, Immigration by the Numbers, features Roy Beck demonstrating the catastrophe of the huge numbers of both legal and illegal immigration by Third World people into the modern nations. He uses standard statistics and simple gumballs to show this disaster in the making..."

"When a comprehensive immigration bill collapsed last month on the Senate floor, it was a victory for a small group that had been lobbying Congress for a decade to reduce the number of immigrants — legal and illegal — in the United States. The group, Numbers USA, tracked every twist and turn of the bill. Its members flooded the Senate with more than a million faxes, sent through the organization’s Web site. It supplied arguments and information to senators opposing the bill. 'It was a David-and-Goliath struggle,' said Roy H. Beck, the president of Numbers USA..."