The Black Diamond Express. Word Search Puzzle Solver. The Black Diamond Express word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. When Dick an aeronaut is wrongly accused of shooting Dan a trouble-making quarrelsome cowboy Helen aids his escape on the outgoing Black Diamond Express. This includes identifying and searching for words that are related to : Thriller, Leo D Maloney, JP McGowan, Helen Holmes .