This Texas legislation is causing problems for robo-cop traffic enforcement. A Texas judge said the company running a red-light camera was acting illegally because it did not have a private investigator license. On the basis of this ruling, motorists are challenging traffic tickets. See deails: http://legal-beagle.typepad.com/wrights_legal_beagle/2008/12/e-discovery-forensics-private-investigator-license-for-computer-data-collection-and-assessment.html --Ben