 Because it's no doubt postmarked with an hour, a date, and a location. Which, together with Brother Gaines' own handwriting, places him out of town on July 30th. A time he swears he was at his Malibu home all day with Jernigan. Right, Gaines? Smart boy, aren't you, Marlowe? You've still got a chance, Gaines. You'd better gamble with me. You've got nothing to lose now. I'm with you. Stand still, Buster. Ursa, help me out. Now, Gaines, go! Oh! Oh, my leg! Were you thinking of going someplace, Mr. Gaines? No. No.