There are various methods a stalker can do this, these include;
- physically following
- monitoring your movements
- loitering in areas/places where you regularly go
- watching/spying on you either on foot or in a vehicle
- sending unwanted letters or gifts
- turning up to your address unwanted
- photographing you without your permission
- order or cancel goods
- order or cancel services
- make complaints (to legitimate bodies)
- damaging or interfering with property