Mark Barnes is the former director of safety and security at Kiawah Island Golf Resort in South Carolina. He advises always establishing a rapport with the guest group’s meeting planner. For convention guests, he advises contacting the meeting planner to help intervene. In a worst-case scenario, in which an inebriated guest has assaulted someone or damaged property, security immediately gets the person out of the area. In such cases, it’s best to involve one of the celebrity’s friends.”]
Source: https://www.csoonline.com/article/2118798/how-to-handle-a-drunk.html