after their engagement, he and his fiance seemed in control of the media frenzy. as they showed off kate's engagement ring, which once belonged to diana. >> it's very special to me. it's my way of making sure that my mother didn't miss out on today. >> reporter: william and kate will be married at westminister abby, where nearly 14 years ago princess diana's funeral wad held. coincidence? or prince william's way of letting his mother witness their marriage. whatever you believe, princess diana remains firmly in william's heart. randi kaye, cnn, atlanta. a man arrested nearly a week. details on that ahead.