Using code words, the members posted tip-off messages that included the licence plate numbers of police vehicles spotted, the location of raids and the size of enforcement teams.In one such message, Chua had written"Pandora CV now", which investigations found to mean plainclothes policemen were at Club Pandora in Rochor.
Earlier reports stated that Chua was drinking alone when he saw an altercation involving a man wielding a knife. Regarding the affray offence, Chua was drinking at a pub in the Katong area in April this year when he got into a dispute with another patron.