Mafia 2 Game Manipulation Mod

I entered a script that makes enemies obey Vito. Once I enter the script on Notepad++, enemies lose their ability to shoot Vito. Thus, they can be seen wandering about or staying in one place. This script allows you bypass enemies easily without getting shot and encountering other obstacles. Even if the enemies begin to shoot, they are firing their weapons at Joe instead of Vito- the player. This is the script: ai.relationships:IgnorePlayer(true)