It is alleged that the scam was designed to cover up the fact that many of the cameras were either not working or had not been installed.
This report from RT.com has the details:
The company that monitors the cameras, StroyMontageService, is just one of several private companies that provide this service in Moscow.
According to RT.com, Moscow has more than 80,000 security cameras.
According to Axxon, a provider of video management software to the Moscow CCTV system, many of these cameras protect residents in publicly owned housing.