Article from: www.thenewspaper.com/news/00/69.asp
Of the 35 federal entities that completed our survey, 17 responded that they had conducted research and development or testing of one or more of the three technologies. They reported obligating nearly $51 million as of June 30, 2001, on facial recognition, red light cameras, and photo radar devices, with the largest amount reported for facial recognition.Source: Federal Funding for Selected Surveillance Technologies (Government Accounting Office, 3/14/2002)