We phoned the Public Information Office at the Las Vegas Metropolitan Police Department to get to the bottom of this one and here’s the story:
A few years back, Metro decided to incorporate a live feed on its Web site, which enabled the public to listen in to the less sensitive traffic that takes place between Metro officers and dispatch. It was an effort to promote community interest in Metro's work and proved to be a highly popular feature.
The problem, however, was that it took up too much space on the Web site and was responsible for causing the system to constantly crash. Efforts to redesign the site and overcome the difficulty proved abortive and eventually the Web administrators had no option but to scrap the feed. There are no plans in the foreseeable future to attempt a re-launch.
The better news, however, is that Metro advised us that for $100 and up, you can purchase your own scanner from Radio Shack and other similar vendors, which is pre-tuned to those local police channels available to the general public, together with various fire, weather, aircraft, and marine channels. Most of these agencies and departments transmit and receive on federal government-assigned frequencies in the VHF and UHF range of frequencies above the standard broadcast FM stations of the radio spectrum and cannot be heard on your regular car or home radio, but can be heard perfectly legally on any radio scanner designed to receive these frequencies or bands.