The issue focused on whether using video surveillance or surveillance cameras for parking enforcement constitutes an unreasonable search under the Fourth Amendment. If so, how does it differ from using audio surveillance for parking enforcement? What should be done if there is no audio surveillance for parking enforcement? What should be done if there is audio surveillance for parking enforcement but no video surveillance for parking enforcement? What should be done if there is video surveillance for parking enforcement but no audio surveillance for parking enforcement? What should be done if there is audio surveillance for parking