just the sort of thing marc klaas's organization you want to do. >> when we saw this emotion it when d've never thought of that on our own. >> klaas even flows his directives of search operations who was one of the first people to look for poly. >> we -- are going to deal with some [inaudible] terrains today. lots of canyons, waters, sensitive or ravines -- >> this was day 49 since michelle disappeared. and once again, her san diego relatives loaded in the car around midnight and drove eight hours north the san francisco bay. dateline was there, watching. as they gathered for a morning briefing to prepare them for the long day of searching ahead. >> if you take nothing else away from this presentation, take this portion right here, okay? every single search that we put you on today, tomorrow, we consider a potential crime scene. >> the police suggested a zone to be searched. that's about all the information they provided. >> we don't know exactly why but they say based on all the evidence and their timelines, they believe that something might have happened in this air. >> the area, a