 Bond finds him in their safe house with a note pinned to his chest "He disagreed with something that ate him".Bond then investigates the warehouse himself and discovers that Mr Big is smuggling gold coins by hiding them in the bottom of fish tanks holding poisonous tropical fish, which he is bringing into the US.He is attacked in the warehouse by "the Robber", Mr Big's gunman, and in the resultant gunfight Bond outwits the Robber and causes him to fall into the shark tank.