Passive Perk (Tracker): This game will not allow you to see the footsteps of enemies. You have to use the passive perk of scout class which will allow you to see fresh footsteps of enemies. But it is available for only limited period of time. But be careful, by using passive perk of scout class enemies can also track your posit Simon "Ghost" Riley, the British Special Forces operative was first seen in Call of Duty Modern Warfare 2. After that, he has made multiple appearances through numerous g...