the 13-inch crack, which may have come from an anchor strike, hs marine growth on it. now back to "dateline." it happened, even as search and rescue teams were wading through that escondido pond following what might be a lead in amber dubois' disappearance. 20 miles south in downtown san diego, da bonnie dumanis received a mysterious request to meet with gardner's attorney. >> wouldn't discuss what it was. >> gardner had been claiming he had nothing to do with amber's disappearance. this morning, his lawyer offered a deal. and it was huge. gardner would lead detectives to amber, but he'd only do it on one condition. that they couldn't use it against him. >> if we didn't use the fact that he took us there in any --