Whether you know it or not you are a target.
I would put my life on it that you have laready been a victim... many times over!!!
Just think back; how many odd socks do you possess? Where do you suppose they have gone? ... the architects of these crimes lurk where your back is turned, creep where you are not looking and frequently make the journey into your homes, into your bedrooms and to where you sleep to complete their endeavours.