DC, Maryland: Speed Camera Firms Move To Hide EvidenceRelated News Cop Sues Over DC Speed Camera Program Southern California Cities Further Reject Red Light Cameras View Main Topics: Maryland: Motorist Rights Group Sues Over Camera Data Third Maryland Jurisdiction Forced To Refund Illegal Tickets Back To Front Page Australia: Safety Official Seeks Refund Of 987 Speed Camera Tickets Subscribe via RSS or E-Mail DC, Maryland: Speed Camera Firms Move To Hide Evidence Afraid of refunds, Washington, DC and Salisbury, Maryland conceal evidence that could reveal camera inaccuracy.