commander feist knew every scrap of evidence recovere from that gigantic crime scene would have to beand the scope of this thing was way beyond think what any of us imagine it would be as it unfolded >> it was a crime scene that covered the equivalent of 75 football fields. and because construction crews had once leveled and filled dry stream bed where some of the body had been buried, th team had to dig deep to find what had once been shallow graves >> we're police officers we're not archaeologists we have a little bit o background in some of thes things but something in this level wa overwhelming >> the learning curve wa steep. early in the excavation on investigator watched as an earth mover dug deep and dumpe a load of dirt only to see a human skull roll down the hill and stop at hi feet it was an eye opener tha taught everyone from seasone criminal investigator to backhoe operator to trea lightly. >> and from the time that bone came out of the hole just abou every single remaining victi came out intact. >> they were using the bes technology the department coul bring to bear such