When a man’s past threatens his family’s future there’s only one way to turn — to Perry Mason Harlow Bissinger Bancroft, head of a vast corporate empire and a happily married man, had a battery of lawyers — not one of any use to him in his present situation. That’s why he sat facing Perry Mason, his air of authority vanished, a deeply disturbed man. “There are three ways of dealing with a blackmailer,” Mason told him, “but only one should concern you — tell him to go jump in the lake.” The blackmailer was found on the lake, all right, but he’d not had a chance to jump in it for he was as dead as the proverbial mackerel