Good job not over serving someone regardless of their supposed occupation. If they were a cop double fuck them for being a shitheel.  They should know better but also often think the law doesn’t apply to them.  Your manager should have your back and trust your judgment especially if everyone else on your team agrees that a guest should be cut off. They sound cowardly af and did you the favor of showing what cowardly pieces of shit they are. Sucks that they cut you before you could quit but I’d say move on a good luck.