Perry Mason Season 5 Episode 4 The Case of the Malicious Mariner

During a storm at sea, First Officer Jerry Griffin jettisons a million dollars worth of goods into the sea in order to lessen the chance of his ship sinking. Hauled before a maritime court of inquiry on shore, Griffin needs the testimony of Captain Bancroft to clear him but he's murdered before he can give it. It's Perry to the rescue when Jerry Griffin is charged with that crime too.