A method and a system are provided for delivering a supplemented CCTV message to subscribers, such as residents of a MDU. A processor combines the signal from a local CCTV camera system with a supplementary message to be provided to subscribers. The supplemented CCTV signal resulting from this combining is inserted into a dedicated channel of an incoming broadcast television feed. For a digital television feed, the supplemented CCTV signal may be forwarded to a central office managing television feeds for this particular location, so that the inserting may take place thereat.