In this paper. we study covert communications strategies in a compress-and-forward (CF) relay system. Along with a public message to a destination node via a CF relay. a source node attempts to transmit a covert message while evading the surveillance of the CF relay. https://www.spidertattooz.com/OPI-GelColor-The-Color-That-Keeps-On-Giving-0-5-oz-HPJ07-p22791/