2005, and 11 sets of bones. not a lot to go on. but the detectives knew simply finding the bones in the first place had been an incredibly lucky break. >> all the stars aligned. >> yeah. >> oddly enough, the west mesa investigators' good fortune began thousands of miles to the east in the fall of 2008. that's when crumbling market forced the building to a halt. >> they left town. >> if houses would have been built, it would have been built right on top of the graveyard. >> correct. august 2008 we had a really bad rainstorm. >> and the rain runoff from the deserted construction flootded the new neighborhoodeds surrounded it.