Make sure that you do not miss any enemy. Another kind of police games were you need to carefully choose who your real enemy is. You have to check them first before you shoot and kill them. Make sure that no enemy passes you in able to stay on the game. By the use of your mouse, you can verify each and every citizen. Kill the entire bad citizen who thinks about the given item. Each level has its different items that those bad people may think. You must also take precaution not to kill those good citizen thinking good things.