case of madeleine mccann, a little girl whose disappearance on a family vacation in 2007 captured the world's attention. kelly cobiella is in london. >> reporter: for six years the story of how madeleine mccann disappeared has been the same. the three-year-old vanished from a holiday villa in portugal sometime between 8:30 and 10:00 on the night of may 3rd, 2007, while her parents ate dinner with friends at a restaurant a 100 yards away. now british detectives are announcing a major update to the investigation on the bbc program "crime watch." a new and more detailed time line of the night madeleine disappeared. a 25 minute long reenactment of that night, and new potential suspects. chief detective inspector andy redwood said they looked at the evidence and found leads that were never followed. >> primarily, we are focused on the area between 8:30 and 10:00. we know that at 8:30, that was the time that mr. and mrs. mccann went down for their