That first photograph disturbs me way too far back when they would have decided that might be maddy! A set up if ever I saw one!
Maybe they had passed by the family once already...saw the child, and the turned back around to drive past them again and take pictures.
Some different pictures of Madeleine.
http://www.dailymail.co.uk/pages/galleries/index.html?in_gallery_id=10485&in_page_id=1055
God bless, still praying for you sweetheart.