1. When Mugging you must advert before doing so. 2. When Robbing someone you can only kill them for a valid Reason. Like trying to run away or not dropping the money. 3. When Robbing the Bank you can KOS Cops Unless you have a hostage then you have to negotiate for there life: Cops must negotiate. 4. When Robbing the Bank you must stay in the bank at all time. 5. When Robbing the Bank you can only kill a hostage if the Cops are not negotiating or not giving you what you want,