Points, looking for a cause. stress failure, overcrowding, structural deterioration, salt water corrosion. on cnn's news room, the owners will likely be held accountable. >> they are to inspect the premises and even defects that are not vizible to the naked eye, and if they could have been discovered with a reasonable infection, any land own ser on the hook. >> reporter: the owners may have a duty, but there is nothing to compel them, because we spoke with florida building officials who said that a building or dock does not need to be reinspected unless it is modified. an inspector may come ou...