My stalkers secret love for me

The middle of senior year is where she became someone's obsession ,she doesn't know until she gets sent pictures of her at her locker the library and various other places , now she's standing at her locker looking at the pictures wondering who took these I don't know anyone who has shown any kind of interest ,but she doesn't have the slightest clue of who it is but the person is right around the corner and has always been.