CNN CNN Saturday Morning April 20, 2013 12:34:00
Circling and charting out almost everyone's moves from that day from pictures and videos they filed together, not exactly csi but nothing like this has really been done before. joining me is the director of the m.i.t. initiative on technology sherri turckel, tom fuentes and clinical psychologist jeff gardere. did this sleuthing help or hurt this whole investigation? tom fuentea weuentes let me sta you. >> the only time it hurts is when you get information from the public when somebody deliberately is trying to cause trouble for an ex-husband or ex-wife or somebody they have a personal grudge w...