Mysterious circumstances. Also new today, northwest detectives tell us they are reinterviewing some of the people who were out here in front of kildares the night before thanksgiving. Its very difficult. I want to find shane and i want to bring him home. Reporter the parents of Shane Montgomery stand on a bridge over manayunk canal. Theyre watching Seven Members of the Philadelphia Police marine unit head into the water to skerearch for their missing. With each step in the murky water they use sticks to move debris and comb for clues. Family members say thanksgiving eve, a bouncer asked him to leave kildares on main street after he bumped into the deejays table. He put his hands up and said im on my way out. They walked him out the door and thats the last time anyone saw him. Reporter people say theyre drawn here because they, too, are concerned. My son met him a couple times in high school. You know, we all sort of know each other. We have kids like this and its a terrible, grisly sig