CNN Forensic Files July 12, 2015 07:19:00
>> they have a commonality to them, is that they, i think they all wanted to be sherlock holmes at one time. >> the team marked off the area and began what's known as a grid search. each grid measuring one square meter. >> on their hands and knees, just a few feet apart and literally crawling across the forest floor, looking for any traces of something out of the ordinary. these are scientists. they're used to looking for the minute that is not in the ordinary. >> search teams thoroughly analyze one grid area before moving on to the next. on the first day they found nothing. on the second, it ...