bob and roger and now little eric. by the time eric turned 5, liana was pushing for another baby. but bob? >> i think he had given up on it long before that and felt trapped. >> still, no one could have prepared bob or roger for what happened then. august 1996. it was a blustery summer day as bob recounted later, much like this one. he piled the family into the jeep for a family outing and they meandered up here to this high rock ridge overlooking flaming gorge reservoir way down there. the rock surface is shale. eric was playing near the edge throwing rocks off, chasing lizards. liana hovering by his side. bob says he went to the jeep to get a soda and he heard liana scream his name. he turned around. they were gone. roger's mother called him with