River Rock VIP host deregistered after B.C. government probe Sam Cooper, Vancouver Sun · January 25, 2018 at 8:34 pm B.C.’s gaming regulator has revoked the registration of River Rock Casino’s director of VIP gambler relations after an investigation into allegations of “third-party cash buy-ins” that violated anti-money-laundering regulations, Postmedia News has learned. Lisa Gao, the employee deregistered by B.C.’s gaming policy and enforcement branch, has worked with VIP gamblers at Richmond’s River Rock Casino since 2012, according to her LinkedIn profile. Postmedia confirmed Gao’s case with the B.C. government and asked B.C. Lottery Corp. to comment on the allegations. BCLC would not comment, and referred the questions to the Ministry of Attorney-General.